20131555828

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1\times {\mathrm{6421}}^1$

素因数の和:7144

約数の個数: 48

約数和(自身を含む): 37519687296

約数和(自身を除く): 17388131468

約数列:

[1, 2, 4, 23, 46, 53, 92, 106, 212, 643, 1219, 1286, 2438, 2572, 4876, 6421, 12842, 14789, 25684, 29578, 34079, 59156, 68158, 136316, 147683, 295366, 340313, 590732, 680626, 783817, 1361252, 1567634, 3135268, 4128703, 7827199, 8257406, 15654398, 16514812, 31308796, 94960169, 189920338, 218821259, 379840676, 437642518, 875285036, 5032888957, 10065777914, 20131555828]

約数ペア:

[(1, 20131555828), (2, 10065777914), (4, 5032888957), (23, 875285036), (46, 437642518), (53, 379840676), (92, 218821259), (106, 189920338), (212, 94960169), (643, 31308796), (1219, 16514812), (1286, 15654398), (2438, 8257406), (2572, 7827199), (4876, 4128703), (6421, 3135268), (12842, 1567634), (14789, 1361252), (25684, 783817), (29578, 680626), (34079, 590732), (59156, 340313), (68158, 295366), (136316, 147683)]