20921784792

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{7901}}^1\times {\mathrm{5807}}^1$

素因数の和:13736

約数の個数: 64

約数和(自身を含む): 55073779200

約数和(自身を除く): 34151994408

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456, 5807, 7901, 11614, 15802, 17421, 23228, 23703, 31604, 34842, 46456, 47406, 63208, 69684, 94812, 110333, 139368, 150119, 189624, 220666, 300238, 330999, 441332, 450357, 600476, 661998, 882664, 900714, 1200952, 1323996, 1801428, 2647992, 3602856, 45881107, 91762214, 137643321, 183524428, 275286642, 367048856, 550573284, 871741033, 1101146568, 1743482066, 2615223099, 3486964132, 5230446198, 6973928264, 10460892396, 20921784792]

約数ペア:

[(1, 20921784792), (2, 10460892396), (3, 6973928264), (4, 5230446198), (6, 3486964132), (8, 2615223099), (12, 1743482066), (19, 1101146568), (24, 871741033), (38, 550573284), (57, 367048856), (76, 275286642), (114, 183524428), (152, 137643321), (228, 91762214), (456, 45881107), (5807, 3602856), (7901, 2647992), (11614, 1801428), (15802, 1323996), (17421, 1200952), (23228, 900714), (23703, 882664), (31604, 661998), (34842, 600476), (46456, 450357), (47406, 441332), (63208, 330999), (69684, 300238), (94812, 220666), (110333, 189624), (139368, 150119)]