20993293488

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{3251}}^1\times {\mathrm{4639}}^1$

素因数の和:7930

約数の個数: 80

約数和(自身を含む): 56132121600

約数和(自身を除く): 35138828112

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 116, 174, 232, 348, 464, 696, 1392, 3251, 4639, 6502, 9278, 9753, 13004, 13917, 18556, 19506, 26008, 27834, 37112, 39012, 52016, 55668, 74224, 78024, 94279, 111336, 134531, 156048, 188558, 222672, 269062, 282837, 377116, 403593, 538124, 565674, 754232, 807186, 1076248, 1131348, 1508464, 1614372, 2152496, 2262696, 3228744, 4525392, 6457488, 15081389, 30162778, 45244167, 60325556, 90488334, 120651112, 180976668, 241302224, 361953336, 437360281, 723906672, 874720562, 1312080843, 1749441124, 2624161686, 3498882248, 5248323372, 6997764496, 10496646744, 20993293488]

約数ペア:

[(1, 20993293488), (2, 10496646744), (3, 6997764496), (4, 5248323372), (6, 3498882248), (8, 2624161686), (12, 1749441124), (16, 1312080843), (24, 874720562), (29, 723906672), (48, 437360281), (58, 361953336), (87, 241302224), (116, 180976668), (174, 120651112), (232, 90488334), (348, 60325556), (464, 45244167), (696, 30162778), (1392, 15081389), (3251, 6457488), (4639, 4525392), (6502, 3228744), (9278, 2262696), (9753, 2152496), (13004, 1614372), (13917, 1508464), (18556, 1131348), (19506, 1076248), (26008, 807186), (27834, 754232), (37112, 565674), (39012, 538124), (52016, 403593), (55668, 377116), (74224, 282837), (78024, 269062), (94279, 222672), (111336, 188558), (134531, 156048)]