20237699524

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1187}}^1\times {\mathrm{2351}}^1$

素因数の和:3593

約数の個数: 72

約数和(自身を含む): 42365296512

約数和(自身を除く): 22127596988

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 518, 1036, 1187, 1813, 2351, 2374, 3626, 4702, 4748, 7252, 8309, 9404, 16457, 16618, 32914, 33236, 43919, 58163, 65828, 86987, 87838, 115199, 116326, 173974, 175676, 230398, 232652, 307433, 347948, 460796, 608909, 614866, 1217818, 1229732, 2152031, 2435636, 2790637, 4262363, 4304062, 5581274, 8524726, 8608124, 11162548, 17049452, 19534459, 39068918, 78137836, 103253569, 136741213, 206507138, 273482426, 413014276, 546964852, 722774983, 1445549966, 2891099932, 5059424881, 10118849762, 20237699524]

約数ペア:

[(1, 20237699524), (2, 10118849762), (4, 5059424881), (7, 2891099932), (14, 1445549966), (28, 722774983), (37, 546964852), (49, 413014276), (74, 273482426), (98, 206507138), (148, 136741213), (196, 103253569), (259, 78137836), (518, 39068918), (1036, 19534459), (1187, 17049452), (1813, 11162548), (2351, 8608124), (2374, 8524726), (3626, 5581274), (4702, 4304062), (4748, 4262363), (7252, 2790637), (8309, 2435636), (9404, 2152031), (16457, 1229732), (16618, 1217818), (32914, 614866), (33236, 608909), (43919, 460796), (58163, 347948), (65828, 307433), (86987, 232652), (87838, 230398), (115199, 175676), (116326, 173974)]