20145403304

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{659}}^1\times {\mathrm{1523}}^1$

素因数の和:2394

約数の個数: 64

約数和(自身を含む): 40977921600

約数和(自身を除く): 20832518296

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 193, 386, 659, 772, 1318, 1523, 1544, 2509, 2636, 3046, 5018, 5272, 6092, 8567, 10036, 12184, 17134, 19799, 20072, 34268, 39598, 68536, 79196, 127187, 158392, 254374, 293939, 508748, 587878, 1003657, 1017496, 1175756, 1653431, 2007314, 2351512, 3306862, 3821207, 4014628, 6613724, 7642414, 8029256, 13047541, 13227448, 15284828, 26095082, 30569656, 52190164, 104380328, 193705801, 387411602, 774823204, 1549646408, 2518175413, 5036350826, 10072701652, 20145403304]

約数ペア:

[(1, 20145403304), (2, 10072701652), (4, 5036350826), (8, 2518175413), (13, 1549646408), (26, 774823204), (52, 387411602), (104, 193705801), (193, 104380328), (386, 52190164), (659, 30569656), (772, 26095082), (1318, 15284828), (1523, 13227448), (1544, 13047541), (2509, 8029256), (2636, 7642414), (3046, 6613724), (5018, 4014628), (5272, 3821207), (6092, 3306862), (8567, 2351512), (10036, 2007314), (12184, 1653431), (17134, 1175756), (19799, 1017496), (20072, 1003657), (34268, 587878), (39598, 508748), (68536, 293939), (79196, 254374), (127187, 158392)]