20799120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1097}}^1$

素因数の和:1192

約数の個数: 80

約数和(自身を含む): 65352960

約数和(自身を除く): 44553840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1097, 1185, 1264, 1580, 1896, 2194, 2370, 3160, 3291, 3792, 4388, 4740, 5485, 6320, 6582, 8776, 9480, 10970, 13164, 16455, 17552, 18960, 21940, 26328, 32910, 43880, 52656, 65820, 86663, 87760, 131640, 173326, 259989, 263280, 346652, 433315, 519978, 693304, 866630, 1039956, 1299945, 1386608, 1733260, 2079912, 2599890, 3466520, 4159824, 5199780, 6933040, 10399560, 20799120]

約数ペア:

[(1, 20799120), (2, 10399560), (3, 6933040), (4, 5199780), (5, 4159824), (6, 3466520), (8, 2599890), (10, 2079912), (12, 1733260), (15, 1386608), (16, 1299945), (20, 1039956), (24, 866630), (30, 693304), (40, 519978), (48, 433315), (60, 346652), (79, 263280), (80, 259989), (120, 173326), (158, 131640), (237, 87760), (240, 86663), (316, 65820), (395, 52656), (474, 43880), (632, 32910), (790, 26328), (948, 21940), (1097, 18960), (1185, 17552), (1264, 16455), (1580, 13164), (1896, 10970), (2194, 9480), (2370, 8776), (3160, 6582), (3291, 6320), (3792, 5485), (4388, 4740)]