20184169720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{320791}}^1$

素因数の和:320837

約数の個数: 96

約数和(自身を含む): 53758323360

約数和(自身を除く): 33574153640

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 121, 130, 143, 220, 242, 260, 286, 440, 484, 520, 572, 605, 715, 968, 1144, 1210, 1430, 1573, 2420, 2860, 3146, 4840, 5720, 6292, 7865, 12584, 15730, 31460, 62920, 320791, 641582, 1283164, 1603955, 2566328, 3207910, 3528701, 4170283, 6415820, 7057402, 8340566, 12831640, 14114804, 16681132, 17643505, 20851415, 28229608, 33362264, 35287010, 38815711, 41702830, 45873113, 70574020, 77631422, 83405660, 91746226, 141148040, 155262844, 166811320, 183492452, 194078555, 229365565, 310525688, 366984904, 388157110, 458731130, 504604243, 776314220, 917462260, 1009208486, 1552628440, 1834924520, 2018416972, 2523021215, 4036833944, 5046042430, 10092084860, 20184169720]

約数ペア:

[(1, 20184169720), (2, 10092084860), (4, 5046042430), (5, 4036833944), (8, 2523021215), (10, 2018416972), (11, 1834924520), (13, 1552628440), (20, 1009208486), (22, 917462260), (26, 776314220), (40, 504604243), (44, 458731130), (52, 388157110), (55, 366984904), (65, 310525688), (88, 229365565), (104, 194078555), (110, 183492452), (121, 166811320), (130, 155262844), (143, 141148040), (220, 91746226), (242, 83405660), (260, 77631422), (286, 70574020), (440, 45873113), (484, 41702830), (520, 38815711), (572, 35287010), (605, 33362264), (715, 28229608), (968, 20851415), (1144, 17643505), (1210, 16681132), (1430, 14114804), (1573, 12831640), (2420, 8340566), (2860, 7057402), (3146, 6415820), (4840, 4170283), (5720, 3528701), (6292, 3207910), (7865, 2566328), (12584, 1603955), (15730, 1283164), (31460, 641582), (62920, 320791)]