20860355750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{377563}}^1$

素因数の和:377610

約数の個数: 64

約数和(自身を含む): 44528387904

約数和(自身を除く): 23668032154

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 125, 130, 170, 221, 250, 325, 425, 442, 650, 850, 1105, 1625, 2125, 2210, 3250, 4250, 5525, 11050, 27625, 55250, 377563, 755126, 1887815, 3775630, 4908319, 6418571, 9439075, 9816638, 12837142, 18878150, 24541595, 32092855, 47195375, 49083190, 64185710, 83441423, 94390750, 122707975, 160464275, 166882846, 245415950, 320928550, 417207115, 613539875, 802321375, 834414230, 1227079750, 1604642750, 2086035575, 4172071150, 10430177875, 20860355750]

約数ペア:

[(1, 20860355750), (2, 10430177875), (5, 4172071150), (10, 2086035575), (13, 1604642750), (17, 1227079750), (25, 834414230), (26, 802321375), (34, 613539875), (50, 417207115), (65, 320928550), (85, 245415950), (125, 166882846), (130, 160464275), (170, 122707975), (221, 94390750), (250, 83441423), (325, 64185710), (425, 49083190), (442, 47195375), (650, 32092855), (850, 24541595), (1105, 18878150), (1625, 12837142), (2125, 9816638), (2210, 9439075), (3250, 6418571), (4250, 4908319), (5525, 3775630), (11050, 1887815), (27625, 755126), (55250, 377563)]