20176905944

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{1229}}^1\times {\mathrm{12143}}^1$

素因数の和:13404

約数の個数: 48

約数和(自身を含む): 41002394400

約数和(自身を除く): 20825488456

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1229, 1352, 2458, 4916, 9832, 12143, 15977, 24286, 31954, 48572, 63908, 97144, 127816, 157859, 207701, 315718, 415402, 631436, 830804, 1262872, 1661608, 2052167, 4104334, 8208668, 14923747, 16417336, 29847494, 59694988, 119389976, 194008711, 388017422, 776034844, 1552069688, 2522113243, 5044226486, 10088452972, 20176905944]

約数ペア:

[(1, 20176905944), (2, 10088452972), (4, 5044226486), (8, 2522113243), (13, 1552069688), (26, 776034844), (52, 388017422), (104, 194008711), (169, 119389976), (338, 59694988), (676, 29847494), (1229, 16417336), (1352, 14923747), (2458, 8208668), (4916, 4104334), (9832, 2052167), (12143, 1661608), (15977, 1262872), (24286, 830804), (31954, 631436), (48572, 415402), (63908, 315718), (97144, 207701), (127816, 157859)]