20848738920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{683}}^1\times {\mathrm{254377}}^1$

素因数の和:255074

約数の個数: 64

約数和(自身を含む): 62638038720

約数和(自身を除く): 41789299800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 683, 1366, 2049, 2732, 3415, 4098, 5464, 6830, 8196, 10245, 13660, 16392, 20490, 27320, 40980, 81960, 254377, 508754, 763131, 1017508, 1271885, 1526262, 2035016, 2543770, 3052524, 3815655, 5087540, 6105048, 7631310, 10175080, 15262620, 30525240, 173739491, 347478982, 521218473, 694957964, 868697455, 1042436946, 1389915928, 1737394910, 2084873892, 2606092365, 3474789820, 4169747784, 5212184730, 6949579640, 10424369460, 20848738920]

約数ペア:

[(1, 20848738920), (2, 10424369460), (3, 6949579640), (4, 5212184730), (5, 4169747784), (6, 3474789820), (8, 2606092365), (10, 2084873892), (12, 1737394910), (15, 1389915928), (20, 1042436946), (24, 868697455), (30, 694957964), (40, 521218473), (60, 347478982), (120, 173739491), (683, 30525240), (1366, 15262620), (2049, 10175080), (2732, 7631310), (3415, 6105048), (4098, 5087540), (5464, 3815655), (6830, 3052524), (8196, 2543770), (10245, 2035016), (13660, 1526262), (16392, 1271885), (20490, 1017508), (27320, 763131), (40980, 508754), (81960, 254377)]