20706384

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:268

約数の個数: 80

約数和(自身を含む): 55978560

約数和(自身を除く): 35272176

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 89, 111, 131, 148, 178, 222, 262, 267, 296, 356, 393, 444, 524, 534, 592, 712, 786, 888, 1048, 1068, 1424, 1572, 1776, 2096, 2136, 3144, 3293, 4272, 4847, 6288, 6586, 9694, 9879, 11659, 13172, 14541, 19388, 19758, 23318, 26344, 29082, 34977, 38776, 39516, 46636, 52688, 58164, 69954, 77552, 79032, 93272, 116328, 139908, 158064, 186544, 232656, 279816, 431383, 559632, 862766, 1294149, 1725532, 2588298, 3451064, 5176596, 6902128, 10353192, 20706384]

約数ペア:

[(1, 20706384), (2, 10353192), (3, 6902128), (4, 5176596), (6, 3451064), (8, 2588298), (12, 1725532), (16, 1294149), (24, 862766), (37, 559632), (48, 431383), (74, 279816), (89, 232656), (111, 186544), (131, 158064), (148, 139908), (178, 116328), (222, 93272), (262, 79032), (267, 77552), (296, 69954), (356, 58164), (393, 52688), (444, 46636), (524, 39516), (534, 38776), (592, 34977), (712, 29082), (786, 26344), (888, 23318), (1048, 19758), (1068, 19388), (1424, 14541), (1572, 13172), (1776, 11659), (2096, 9879), (2136, 9694), (3144, 6586), (3293, 6288), (4272, 4847)]