20723164413

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^2\times {\mathrm{191}}^1\times {\mathrm{487}}^1$

素因数の和:894

約数の個数: 48

約数和(自身を含む): 32120487936

約数和(自身を除く): 11397323523

約数列:

[1, 3, 7, 21, 103, 191, 309, 487, 573, 721, 1337, 1461, 2163, 3409, 4011, 10227, 10609, 19673, 31827, 50161, 59019, 74263, 93017, 137711, 150483, 222789, 279051, 351127, 413133, 651119, 1053381, 1953357, 2026319, 5166583, 6078957, 9580751, 14184233, 15499749, 28742253, 36166081, 42552699, 67065257, 108498243, 201195771, 986817353, 2960452059, 6907721471, 20723164413]

約数ペア:

[(1, 20723164413), (3, 6907721471), (7, 2960452059), (21, 986817353), (103, 201195771), (191, 108498243), (309, 67065257), (487, 42552699), (573, 36166081), (721, 28742253), (1337, 15499749), (1461, 14184233), (2163, 9580751), (3409, 6078957), (4011, 5166583), (10227, 2026319), (10609, 1953357), (19673, 1053381), (31827, 651119), (50161, 413133), (59019, 351127), (74263, 279051), (93017, 222789), (137711, 150483)]