20153203740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{54377}}^1$

素因数の和:54492

約数の個数: 144

約数和(自身を含む): 64131238080

約数和(自身を除く): 43978034340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 71, 87, 90, 116, 142, 145, 174, 180, 213, 261, 284, 290, 348, 355, 426, 435, 522, 580, 639, 710, 852, 870, 1044, 1065, 1278, 1305, 1420, 1740, 2059, 2130, 2556, 2610, 3195, 4118, 4260, 5220, 6177, 6390, 8236, 10295, 12354, 12780, 18531, 20590, 24708, 30885, 37062, 41180, 54377, 61770, 74124, 92655, 108754, 123540, 163131, 185310, 217508, 271885, 326262, 370620, 489393, 543770, 652524, 815655, 978786, 1087540, 1576933, 1631310, 1957572, 2446965, 3153866, 3262620, 3860767, 4730799, 4893930, 6307732, 7721534, 7884665, 9461598, 9787860, 11582301, 14192397, 15443068, 15769330, 18923196, 19303835, 23164602, 23653995, 28384794, 31538660, 34746903, 38607670, 46329204, 47307990, 56769588, 57911505, 69493806, 70961985, 77215340, 94615980, 111962243, 115823010, 138987612, 141923970, 173734515, 223924486, 231646020, 283847940, 335886729, 347469030, 447848972, 559811215, 671773458, 694938060, 1007660187, 1119622430, 1343546916, 1679433645, 2015320374, 2239244860, 3358867290, 4030640748, 5038300935, 6717734580, 10076601870, 20153203740]

約数ペア:

[(1, 20153203740), (2, 10076601870), (3, 6717734580), (4, 5038300935), (5, 4030640748), (6, 3358867290), (9, 2239244860), (10, 2015320374), (12, 1679433645), (15, 1343546916), (18, 1119622430), (20, 1007660187), (29, 694938060), (30, 671773458), (36, 559811215), (45, 447848972), (58, 347469030), (60, 335886729), (71, 283847940), (87, 231646020), (90, 223924486), (116, 173734515), (142, 141923970), (145, 138987612), (174, 115823010), (180, 111962243), (213, 94615980), (261, 77215340), (284, 70961985), (290, 69493806), (348, 57911505), (355, 56769588), (426, 47307990), (435, 46329204), (522, 38607670), (580, 34746903), (639, 31538660), (710, 28384794), (852, 23653995), (870, 23164602), (1044, 19303835), (1065, 18923196), (1278, 15769330), (1305, 15443068), (1420, 14192397), (1740, 11582301), (2059, 9787860), (2130, 9461598), (2556, 7884665), (2610, 7721534), (3195, 6307732), (4118, 4893930), (4260, 4730799), (5220, 3860767), (6177, 3262620), (6390, 3153866), (8236, 2446965), (10295, 1957572), (12354, 1631310), (12780, 1576933), (18531, 1087540), (20590, 978786), (24708, 815655), (30885, 652524), (37062, 543770), (41180, 489393), (54377, 370620), (61770, 326262), (74124, 271885), (92655, 217508), (108754, 185310), (123540, 163131)]