20218073420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1223}}^1\times {\mathrm{10463}}^1$

素因数の和:11774

約数の個数: 48

約数和(自身を含む): 43034664960

約数和(自身を除く): 22816591540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1223, 1580, 2446, 4892, 6115, 10463, 12230, 20926, 24460, 41852, 52315, 96617, 104630, 193234, 209260, 386468, 483085, 826577, 966170, 1653154, 1932340, 3306308, 4132885, 8265770, 12796249, 16531540, 25592498, 51184996, 63981245, 127962490, 255924980, 1010903671, 2021807342, 4043614684, 5054518355, 10109036710, 20218073420]

約数ペア:

[(1, 20218073420), (2, 10109036710), (4, 5054518355), (5, 4043614684), (10, 2021807342), (20, 1010903671), (79, 255924980), (158, 127962490), (316, 63981245), (395, 51184996), (790, 25592498), (1223, 16531540), (1580, 12796249), (2446, 8265770), (4892, 4132885), (6115, 3306308), (10463, 1932340), (12230, 1653154), (20926, 966170), (24460, 826577), (41852, 483085), (52315, 386468), (96617, 209260), (104630, 193234)]