20194977180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{503}}^1\times {\mathrm{877}}^1$

素因数の和:1508

約数の個数: 192

約数和(自身を含む): 65420974080

約数和(自身を除く): 45225996900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 109, 140, 210, 218, 327, 420, 436, 503, 545, 654, 763, 877, 1006, 1090, 1308, 1509, 1526, 1635, 1754, 2012, 2180, 2289, 2515, 2631, 3018, 3052, 3270, 3508, 3521, 3815, 4385, 4578, 5030, 5262, 6036, 6139, 6540, 7042, 7545, 7630, 8770, 9156, 10060, 10524, 10563, 11445, 12278, 13155, 14084, 15090, 15260, 17540, 17605, 18417, 21126, 22890, 24556, 26310, 30180, 30695, 35210, 36834, 42252, 45780, 52620, 52815, 54827, 61390, 70420, 73668, 92085, 95593, 105630, 109654, 122780, 164481, 184170, 191186, 211260, 219308, 274135, 286779, 328962, 368340, 382372, 383789, 441131, 477965, 548270, 573558, 657924, 669151, 767578, 822405, 882262, 955930, 1096540, 1147116, 1151367, 1323393, 1338302, 1433895, 1535156, 1644810, 1764524, 1911860, 1918945, 2007453, 2205655, 2302734, 2646786, 2676604, 2867790, 3087917, 3289620, 3345755, 3837890, 4014906, 4411310, 4605468, 5293572, 5735580, 5756835, 6175834, 6616965, 6691510, 7675780, 8029812, 8822620, 9263751, 10037265, 11513670, 12351668, 13233930, 13383020, 15439585, 18527502, 20074530, 23027340, 26467860, 30879170, 37055004, 40149060, 46318755, 48083279, 61758340, 92637510, 96166558, 144249837, 185275020, 192333116, 240416395, 288499674, 336582953, 480832790, 576999348, 673165906, 721249185, 961665580, 1009748859, 1346331812, 1442498370, 1682914765, 2019497718, 2884996740, 3365829530, 4038995436, 5048744295, 6731659060, 10097488590, 20194977180]

約数ペア:

[(1, 20194977180), (2, 10097488590), (3, 6731659060), (4, 5048744295), (5, 4038995436), (6, 3365829530), (7, 2884996740), (10, 2019497718), (12, 1682914765), (14, 1442498370), (15, 1346331812), (20, 1009748859), (21, 961665580), (28, 721249185), (30, 673165906), (35, 576999348), (42, 480832790), (60, 336582953), (70, 288499674), (84, 240416395), (105, 192333116), (109, 185275020), (140, 144249837), (210, 96166558), (218, 92637510), (327, 61758340), (420, 48083279), (436, 46318755), (503, 40149060), (545, 37055004), (654, 30879170), (763, 26467860), (877, 23027340), (1006, 20074530), (1090, 18527502), (1308, 15439585), (1509, 13383020), (1526, 13233930), (1635, 12351668), (1754, 11513670), (2012, 10037265), (2180, 9263751), (2289, 8822620), (2515, 8029812), (2631, 7675780), (3018, 6691510), (3052, 6616965), (3270, 6175834), (3508, 5756835), (3521, 5735580), (3815, 5293572), (4385, 4605468), (4578, 4411310), (5030, 4014906), (5262, 3837890), (6036, 3345755), (6139, 3289620), (6540, 3087917), (7042, 2867790), (7545, 2676604), (7630, 2646786), (8770, 2302734), (9156, 2205655), (10060, 2007453), (10524, 1918945), (10563, 1911860), (11445, 1764524), (12278, 1644810), (13155, 1535156), (14084, 1433895), (15090, 1338302), (15260, 1323393), (17540, 1151367), (17605, 1147116), (18417, 1096540), (21126, 955930), (22890, 882262), (24556, 822405), (26310, 767578), (30180, 669151), (30695, 657924), (35210, 573558), (36834, 548270), (42252, 477965), (45780, 441131), (52620, 383789), (52815, 382372), (54827, 368340), (61390, 328962), (70420, 286779), (73668, 274135), (92085, 219308), (95593, 211260), (105630, 191186), (109654, 184170), (122780, 164481)]