20388102

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{881}}^1$

素因数の和:941

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 30415098

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 29, 38, 42, 57, 58, 87, 114, 133, 174, 203, 266, 399, 406, 551, 609, 798, 881, 1102, 1218, 1653, 1762, 2643, 3306, 3857, 5286, 6167, 7714, 11571, 12334, 16739, 18501, 23142, 25549, 33478, 37002, 50217, 51098, 76647, 100434, 117173, 153294, 178843, 234346, 351519, 357686, 485431, 536529, 703038, 970862, 1073058, 1456293, 2912586, 3398017, 6796034, 10194051, 20388102]

約数ペア:

[(1, 20388102), (2, 10194051), (3, 6796034), (6, 3398017), (7, 2912586), (14, 1456293), (19, 1073058), (21, 970862), (29, 703038), (38, 536529), (42, 485431), (57, 357686), (58, 351519), (87, 234346), (114, 178843), (133, 153294), (174, 117173), (203, 100434), (266, 76647), (399, 51098), (406, 50217), (551, 37002), (609, 33478), (798, 25549), (881, 23142), (1102, 18501), (1218, 16739), (1653, 12334), (1762, 11571), (2643, 7714), (3306, 6167), (3857, 5286)]