20378289984

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{354973}}^1$

素因数の和:355024

約数の個数: 112

約数和(自身を含む): 60589802112

約数和(自身を除く): 40211512128

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 32, 39, 46, 48, 52, 64, 69, 78, 92, 96, 104, 138, 156, 184, 192, 208, 276, 299, 312, 368, 416, 552, 598, 624, 736, 832, 897, 1104, 1196, 1248, 1472, 1794, 2208, 2392, 2496, 3588, 4416, 4784, 7176, 9568, 14352, 19136, 28704, 57408, 354973, 709946, 1064919, 1419892, 2129838, 2839784, 4259676, 4614649, 5679568, 8164379, 8519352, 9229298, 11359136, 13843947, 16328758, 17038704, 18458596, 22718272, 24493137, 27687894, 32657516, 34077408, 36917192, 48986274, 55375788, 65315032, 68154816, 73834384, 97972548, 106136927, 110751576, 130630064, 147668768, 195945096, 212273854, 221503152, 261260128, 295337536, 318410781, 391890192, 424547708, 443006304, 522520256, 636821562, 783780384, 849095416, 886012608, 1273643124, 1567560768, 1698190832, 2547286248, 3396381664, 5094572496, 6792763328, 10189144992, 20378289984]

約数ペア:

[(1, 20378289984), (2, 10189144992), (3, 6792763328), (4, 5094572496), (6, 3396381664), (8, 2547286248), (12, 1698190832), (13, 1567560768), (16, 1273643124), (23, 886012608), (24, 849095416), (26, 783780384), (32, 636821562), (39, 522520256), (46, 443006304), (48, 424547708), (52, 391890192), (64, 318410781), (69, 295337536), (78, 261260128), (92, 221503152), (96, 212273854), (104, 195945096), (138, 147668768), (156, 130630064), (184, 110751576), (192, 106136927), (208, 97972548), (276, 73834384), (299, 68154816), (312, 65315032), (368, 55375788), (416, 48986274), (552, 36917192), (598, 34077408), (624, 32657516), (736, 27687894), (832, 24493137), (897, 22718272), (1104, 18458596), (1196, 17038704), (1248, 16328758), (1472, 13843947), (1794, 11359136), (2208, 9229298), (2392, 8519352), (2496, 8164379), (3588, 5679568), (4416, 4614649), (4784, 4259676), (7176, 2839784), (9568, 2129838), (14352, 1419892), (19136, 1064919), (28704, 709946), (57408, 354973)]