20154348

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 53909856

約数和(自身を除く): 33755508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 101, 138, 202, 207, 241, 276, 303, 404, 414, 482, 606, 723, 828, 909, 964, 1212, 1446, 1818, 2169, 2323, 2892, 3636, 4338, 4646, 5543, 6969, 8676, 9292, 11086, 13938, 16629, 20907, 22172, 24341, 27876, 33258, 41814, 48682, 49887, 66516, 73023, 83628, 97364, 99774, 146046, 199548, 219069, 292092, 438138, 559843, 876276, 1119686, 1679529, 2239372, 3359058, 5038587, 6718116, 10077174, 20154348]

約数ペア:

[(1, 20154348), (2, 10077174), (3, 6718116), (4, 5038587), (6, 3359058), (9, 2239372), (12, 1679529), (18, 1119686), (23, 876276), (36, 559843), (46, 438138), (69, 292092), (92, 219069), (101, 199548), (138, 146046), (202, 99774), (207, 97364), (241, 83628), (276, 73023), (303, 66516), (404, 49887), (414, 48682), (482, 41814), (606, 33258), (723, 27876), (828, 24341), (909, 22172), (964, 20907), (1212, 16629), (1446, 13938), (1818, 11086), (2169, 9292), (2323, 8676), (2892, 6969), (3636, 5543), (4338, 4646)]