20681799250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{622009}}^1$

素因数の和:622052

約数の個数: 64

約数和(自身を含む): 46576108800

約数和(自身を除く): 25894309550

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 125, 133, 175, 190, 250, 266, 350, 475, 665, 875, 950, 1330, 1750, 2375, 3325, 4750, 6650, 16625, 33250, 622009, 1244018, 3110045, 4354063, 6220090, 8708126, 11818171, 15550225, 21770315, 23636342, 31100450, 43540630, 59090855, 77751125, 82727197, 108851575, 118181710, 155502250, 165454394, 217703150, 295454275, 413635985, 544257875, 590908550, 827271970, 1088515750, 1477271375, 2068179925, 2954542750, 4136359850, 10340899625, 20681799250]

約数ペア:

[(1, 20681799250), (2, 10340899625), (5, 4136359850), (7, 2954542750), (10, 2068179925), (14, 1477271375), (19, 1088515750), (25, 827271970), (35, 590908550), (38, 544257875), (50, 413635985), (70, 295454275), (95, 217703150), (125, 165454394), (133, 155502250), (175, 118181710), (190, 108851575), (250, 82727197), (266, 77751125), (350, 59090855), (475, 43540630), (665, 31100450), (875, 23636342), (950, 21770315), (1330, 15550225), (1750, 11818171), (2375, 8708126), (3325, 6220090), (4750, 4354063), (6650, 3110045), (16625, 1244018), (33250, 622009)]