20343875578

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{929}}^1\times {\mathrm{967}}^1$

素因数の和:1991

約数の個数: 48

約数和(自身を含む): 33607759680

約数和(自身を除く): 13263884102

約数列:

[1, 2, 13, 26, 67, 134, 169, 338, 871, 929, 967, 1742, 1858, 1934, 11323, 12077, 12571, 22646, 24154, 25142, 62243, 64789, 124486, 129578, 157001, 163423, 314002, 326846, 809159, 842257, 898343, 1618318, 1684514, 1796686, 10519067, 10949341, 11678459, 21038134, 21898682, 23356918, 60188981, 120377962, 151819967, 303639934, 782456753, 1564913506, 10171937789, 20343875578]

約数ペア:

[(1, 20343875578), (2, 10171937789), (13, 1564913506), (26, 782456753), (67, 303639934), (134, 151819967), (169, 120377962), (338, 60188981), (871, 23356918), (929, 21898682), (967, 21038134), (1742, 11678459), (1858, 10949341), (1934, 10519067), (11323, 1796686), (12077, 1684514), (12571, 1618318), (22646, 898343), (24154, 842257), (25142, 809159), (62243, 326846), (64789, 314002), (124486, 163423), (129578, 157001)]