20122434280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{14087}}^1$

素因数の和:14219

約数の個数: 128

約数和(自身を含む): 50696513280

約数和(自身を除く): 30574079000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 67, 82, 104, 130, 134, 164, 205, 260, 268, 328, 335, 410, 520, 533, 536, 670, 820, 871, 1066, 1340, 1640, 1742, 2132, 2665, 2680, 2747, 3484, 4264, 4355, 5330, 5494, 6968, 8710, 10660, 10988, 13735, 14087, 17420, 21320, 21976, 27470, 28174, 34840, 35711, 54940, 56348, 70435, 71422, 109880, 112696, 140870, 142844, 178555, 183131, 281740, 285688, 357110, 366262, 563480, 577567, 714220, 732524, 915655, 943829, 1155134, 1428440, 1465048, 1831310, 1887658, 2310268, 2887835, 3662620, 3775316, 4620536, 4719145, 5775670, 7325240, 7508371, 7550632, 9438290, 11551340, 12269777, 15016742, 18876580, 23102680, 24539554, 30033484, 37541855, 37753160, 38696989, 49079108, 60066968, 61348885, 75083710, 77393978, 98158216, 122697770, 150167420, 154787956, 193484945, 245395540, 300334840, 309575912, 386969890, 490791080, 503060857, 773939780, 1006121714, 1547879560, 2012243428, 2515304285, 4024486856, 5030608570, 10061217140, 20122434280]

約数ペア:

[(1, 20122434280), (2, 10061217140), (4, 5030608570), (5, 4024486856), (8, 2515304285), (10, 2012243428), (13, 1547879560), (20, 1006121714), (26, 773939780), (40, 503060857), (41, 490791080), (52, 386969890), (65, 309575912), (67, 300334840), (82, 245395540), (104, 193484945), (130, 154787956), (134, 150167420), (164, 122697770), (205, 98158216), (260, 77393978), (268, 75083710), (328, 61348885), (335, 60066968), (410, 49079108), (520, 38696989), (533, 37753160), (536, 37541855), (670, 30033484), (820, 24539554), (871, 23102680), (1066, 18876580), (1340, 15016742), (1640, 12269777), (1742, 11551340), (2132, 9438290), (2665, 7550632), (2680, 7508371), (2747, 7325240), (3484, 5775670), (4264, 4719145), (4355, 4620536), (5330, 3775316), (5494, 3662620), (6968, 2887835), (8710, 2310268), (10660, 1887658), (10988, 1831310), (13735, 1465048), (14087, 1428440), (17420, 1155134), (21320, 943829), (21976, 915655), (27470, 732524), (28174, 714220), (34840, 577567), (35711, 563480), (54940, 366262), (56348, 357110), (70435, 285688), (71422, 281740), (109880, 183131), (112696, 178555), (140870, 142844)]