20349880304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{15199}}^1$

素因数の和:15418

約数の個数: 80

約数和(自身を含む): 43776364800

約数和(自身を除く): 23426484496

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 157, 164, 208, 314, 328, 533, 628, 656, 1066, 1256, 2041, 2132, 2512, 4082, 4264, 6437, 8164, 8528, 12874, 15199, 16328, 25748, 30398, 32656, 51496, 60796, 83681, 102992, 121592, 167362, 197587, 243184, 334724, 395174, 623159, 669448, 790348, 1246318, 1338896, 1580696, 2386243, 2492636, 3161392, 4772486, 4985272, 8101067, 9544972, 9970544, 16202134, 19089944, 31021159, 32404268, 38179888, 62042318, 64808536, 97835963, 124084636, 129617072, 195671926, 248169272, 391343852, 496338544, 782687704, 1271867519, 1565375408, 2543735038, 5087470076, 10174940152, 20349880304]

約数ペア:

[(1, 20349880304), (2, 10174940152), (4, 5087470076), (8, 2543735038), (13, 1565375408), (16, 1271867519), (26, 782687704), (41, 496338544), (52, 391343852), (82, 248169272), (104, 195671926), (157, 129617072), (164, 124084636), (208, 97835963), (314, 64808536), (328, 62042318), (533, 38179888), (628, 32404268), (656, 31021159), (1066, 19089944), (1256, 16202134), (2041, 9970544), (2132, 9544972), (2512, 8101067), (4082, 4985272), (4264, 4772486), (6437, 3161392), (8164, 2492636), (8528, 2386243), (12874, 1580696), (15199, 1338896), (16328, 1246318), (25748, 790348), (30398, 669448), (32656, 623159), (51496, 395174), (60796, 334724), (83681, 243184), (102992, 197587), (121592, 167362)]