20908550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1693}}^1$

素因数の和:1737

約数の個数: 48

約数和(自身を含む): 44111760

約数和(自身を除く): 23203210

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 950, 1235, 1693, 2470, 3386, 6175, 8465, 12350, 16930, 22009, 32167, 42325, 44018, 64334, 84650, 110045, 160835, 220090, 321670, 418171, 550225, 804175, 836342, 1100450, 1608350, 2090855, 4181710, 10454275, 20908550]

約数ペア:

[(1, 20908550), (2, 10454275), (5, 4181710), (10, 2090855), (13, 1608350), (19, 1100450), (25, 836342), (26, 804175), (38, 550225), (50, 418171), (65, 321670), (95, 220090), (130, 160835), (190, 110045), (247, 84650), (325, 64334), (475, 44018), (494, 42325), (650, 32167), (950, 22009), (1235, 16930), (1693, 12350), (2470, 8465), (3386, 6175)]