20196097420

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1259}}^1\times {\mathrm{2579}}^1$

素因数の和:4158

約数の個数: 48

約数和(自身を含む): 42598483200

約数和(自身を除く): 22402385780

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1259, 1555, 2518, 2579, 3110, 5036, 5158, 6220, 6295, 10316, 12590, 12895, 25180, 25790, 51580, 391549, 783098, 802069, 1566196, 1604138, 1957745, 3208276, 3246961, 3915490, 4010345, 6493922, 7830980, 8020690, 12987844, 16041380, 16234805, 32469610, 64939220, 1009804871, 2019609742, 4039219484, 5049024355, 10098048710, 20196097420]

約数ペア:

[(1, 20196097420), (2, 10098048710), (4, 5049024355), (5, 4039219484), (10, 2019609742), (20, 1009804871), (311, 64939220), (622, 32469610), (1244, 16234805), (1259, 16041380), (1555, 12987844), (2518, 8020690), (2579, 7830980), (3110, 6493922), (5036, 4010345), (5158, 3915490), (6220, 3246961), (6295, 3208276), (10316, 1957745), (12590, 1604138), (12895, 1566196), (25180, 802069), (25790, 783098), (51580, 391549)]