20863024

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:147

約数の個数: 120

約数和(自身を含む): 53434080

約数和(自身を除く): 32571056

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 46, 49, 52, 56, 89, 91, 92, 98, 104, 112, 161, 178, 182, 184, 196, 208, 299, 322, 356, 364, 368, 392, 598, 623, 637, 644, 712, 728, 784, 1127, 1157, 1196, 1246, 1274, 1288, 1424, 1456, 2047, 2093, 2254, 2314, 2392, 2492, 2548, 2576, 4094, 4186, 4361, 4508, 4628, 4784, 4984, 5096, 8099, 8188, 8372, 8722, 9016, 9256, 9968, 10192, 14329, 14651, 16198, 16376, 16744, 17444, 18032, 18512, 26611, 28658, 29302, 32396, 32752, 33488, 34888, 53222, 56693, 57316, 58604, 64792, 69776, 100303, 106444, 113386, 114632, 117208, 129584, 186277, 200606, 212888, 226772, 229264, 234416, 372554, 401212, 425776, 453544, 745108, 802424, 907088, 1303939, 1490216, 1604848, 2607878, 2980432, 5215756, 10431512, 20863024]

約数ペア:

[(1, 20863024), (2, 10431512), (4, 5215756), (7, 2980432), (8, 2607878), (13, 1604848), (14, 1490216), (16, 1303939), (23, 907088), (26, 802424), (28, 745108), (46, 453544), (49, 425776), (52, 401212), (56, 372554), (89, 234416), (91, 229264), (92, 226772), (98, 212888), (104, 200606), (112, 186277), (161, 129584), (178, 117208), (182, 114632), (184, 113386), (196, 106444), (208, 100303), (299, 69776), (322, 64792), (356, 58604), (364, 57316), (368, 56693), (392, 53222), (598, 34888), (623, 33488), (637, 32752), (644, 32396), (712, 29302), (728, 28658), (784, 26611), (1127, 18512), (1157, 18032), (1196, 17444), (1246, 16744), (1274, 16376), (1288, 16198), (1424, 14651), (1456, 14329), (2047, 10192), (2093, 9968), (2254, 9256), (2314, 9016), (2392, 8722), (2492, 8372), (2548, 8188), (2576, 8099), (4094, 5096), (4186, 4984), (4361, 4784), (4508, 4628)]