20908524

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{467}}^1$

素因数の和:535

約数の個数: 96

約数和(自身を含む): 61641216

約数和(自身を除く): 40732692

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 41, 42, 52, 78, 82, 84, 91, 123, 156, 164, 182, 246, 273, 287, 364, 467, 492, 533, 546, 574, 861, 934, 1066, 1092, 1148, 1401, 1599, 1722, 1868, 2132, 2802, 3198, 3269, 3444, 3731, 5604, 6071, 6396, 6538, 7462, 9807, 11193, 12142, 13076, 14924, 18213, 19147, 19614, 22386, 24284, 36426, 38294, 39228, 42497, 44772, 57441, 72852, 76588, 84994, 114882, 127491, 134029, 169988, 229764, 248911, 254982, 268058, 402087, 497822, 509964, 536116, 746733, 804174, 995644, 1493466, 1608348, 1742377, 2986932, 3484754, 5227131, 6969508, 10454262, 20908524]

約数ペア:

[(1, 20908524), (2, 10454262), (3, 6969508), (4, 5227131), (6, 3484754), (7, 2986932), (12, 1742377), (13, 1608348), (14, 1493466), (21, 995644), (26, 804174), (28, 746733), (39, 536116), (41, 509964), (42, 497822), (52, 402087), (78, 268058), (82, 254982), (84, 248911), (91, 229764), (123, 169988), (156, 134029), (164, 127491), (182, 114882), (246, 84994), (273, 76588), (287, 72852), (364, 57441), (467, 44772), (492, 42497), (533, 39228), (546, 38294), (574, 36426), (861, 24284), (934, 22386), (1066, 19614), (1092, 19147), (1148, 18213), (1401, 14924), (1599, 13076), (1722, 12142), (1868, 11193), (2132, 9807), (2802, 7462), (3198, 6538), (3269, 6396), (3444, 6071), (3731, 5604)]