20565376

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{727}}^1$

素因数の和:771

約数の個数: 64

約数和(自身を含む): 46781280

約数和(自身を除く): 26215904

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 272, 416, 442, 544, 727, 832, 884, 1088, 1454, 1664, 1768, 2176, 2908, 3536, 5816, 7072, 9451, 11632, 12359, 14144, 18902, 23264, 24718, 28288, 37804, 46528, 49436, 75608, 93056, 98872, 151216, 160667, 197744, 302432, 321334, 395488, 604864, 642668, 790976, 1209728, 1285336, 1581952, 2570672, 5141344, 10282688, 20565376]

約数ペア:

[(1, 20565376), (2, 10282688), (4, 5141344), (8, 2570672), (13, 1581952), (16, 1285336), (17, 1209728), (26, 790976), (32, 642668), (34, 604864), (52, 395488), (64, 321334), (68, 302432), (104, 197744), (128, 160667), (136, 151216), (208, 98872), (221, 93056), (272, 75608), (416, 49436), (442, 46528), (544, 37804), (727, 28288), (832, 24718), (884, 23264), (1088, 18902), (1454, 14144), (1664, 12359), (1768, 11632), (2176, 9451), (2908, 7072), (3536, 5816)]