20145881336

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1451}}^1\times {\mathrm{13049}}^1$

素因数の和:14532

約数の個数: 64

約数和(自身を含む): 45476640000

約数和(自身を除く): 25330758664

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 1451, 2902, 5804, 10157, 11608, 13049, 20314, 26098, 27569, 40628, 52196, 55138, 81256, 91343, 104392, 110276, 182686, 192983, 220552, 247931, 365372, 385966, 495862, 730744, 771932, 991724, 1543864, 1735517, 1983448, 3471034, 6942068, 13884136, 18934099, 37868198, 75736396, 132538693, 151472792, 265077386, 359747881, 530154772, 719495762, 1060309544, 1438991524, 2518235167, 2877983048, 5036470334, 10072940668, 20145881336]

約数ペア:

[(1, 20145881336), (2, 10072940668), (4, 5036470334), (7, 2877983048), (8, 2518235167), (14, 1438991524), (19, 1060309544), (28, 719495762), (38, 530154772), (56, 359747881), (76, 265077386), (133, 151472792), (152, 132538693), (266, 75736396), (532, 37868198), (1064, 18934099), (1451, 13884136), (2902, 6942068), (5804, 3471034), (10157, 1983448), (11608, 1735517), (13049, 1543864), (20314, 991724), (26098, 771932), (27569, 730744), (40628, 495862), (52196, 385966), (55138, 365372), (81256, 247931), (91343, 220552), (104392, 192983), (110276, 182686)]