20851102270

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{2423}}^1$

素因数の和:2761

約数の個数: 64

約数和(自身を含む): 38996536320

約数和(自身を除く): 18145434050

約数列:

[1, 2, 5, 10, 41, 82, 139, 151, 205, 278, 302, 410, 695, 755, 1390, 1510, 2423, 4846, 5699, 6191, 11398, 12115, 12382, 20989, 24230, 28495, 30955, 41978, 56990, 61910, 99343, 104945, 198686, 209890, 336797, 365873, 496715, 673594, 731746, 860549, 993430, 1683985, 1721098, 1829365, 3367970, 3658730, 4302745, 8605490, 13808677, 15000793, 27617354, 30001586, 50856347, 69043385, 75003965, 101712694, 138086770, 150007930, 254281735, 508563470, 2085110227, 4170220454, 10425551135, 20851102270]

約数ペア:

[(1, 20851102270), (2, 10425551135), (5, 4170220454), (10, 2085110227), (41, 508563470), (82, 254281735), (139, 150007930), (151, 138086770), (205, 101712694), (278, 75003965), (302, 69043385), (410, 50856347), (695, 30001586), (755, 27617354), (1390, 15000793), (1510, 13808677), (2423, 8605490), (4846, 4302745), (5699, 3658730), (6191, 3367970), (11398, 1829365), (12115, 1721098), (12382, 1683985), (20989, 993430), (24230, 860549), (28495, 731746), (30955, 673594), (41978, 496715), (56990, 365873), (61910, 336797), (99343, 209890), (104945, 198686)]