20172847191

素因数分解:

$3^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{389}}^1\times {\mathrm{1847}}^1$

素因数の和:2444

約数の個数: 48

約数和(自身を含む): 31550238720

約数和(自身を除く): 11377391529

約数列:

[1, 3, 7, 21, 49, 147, 191, 389, 573, 1167, 1337, 1847, 2723, 4011, 5541, 8169, 9359, 12929, 19061, 28077, 38787, 57183, 74299, 90503, 222897, 271509, 352777, 520093, 718483, 1058331, 1560279, 2155449, 2469439, 3640651, 5029381, 7408317, 10921953, 15088143, 17286073, 35205667, 51858219, 105617001, 137230253, 411690759, 960611771, 2881835313, 6724282397, 20172847191]

約数ペア:

[(1, 20172847191), (3, 6724282397), (7, 2881835313), (21, 960611771), (49, 411690759), (147, 137230253), (191, 105617001), (389, 51858219), (573, 35205667), (1167, 17286073), (1337, 15088143), (1847, 10921953), (2723, 7408317), (4011, 5029381), (5541, 3640651), (8169, 2469439), (9359, 2155449), (12929, 1560279), (19061, 1058331), (28077, 718483), (38787, 520093), (57183, 352777), (74299, 271509), (90503, 222897)]