20756626

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 39813120

約数和(自身を除く): 19056494

約数列:

[1, 2, 11, 17, 19, 22, 23, 34, 38, 46, 127, 187, 209, 253, 254, 323, 374, 391, 418, 437, 506, 646, 782, 874, 1397, 2159, 2413, 2794, 2921, 3553, 4301, 4318, 4807, 4826, 5842, 7106, 7429, 8602, 9614, 14858, 23749, 26543, 32131, 41021, 47498, 49657, 53086, 55499, 64262, 81719, 82042, 99314, 110998, 163438, 451231, 546227, 610489, 902462, 943483, 1092454, 1220978, 1886966, 10378313, 20756626]

約数ペア:

[(1, 20756626), (2, 10378313), (11, 1886966), (17, 1220978), (19, 1092454), (22, 943483), (23, 902462), (34, 610489), (38, 546227), (46, 451231), (127, 163438), (187, 110998), (209, 99314), (253, 82042), (254, 81719), (323, 64262), (374, 55499), (391, 53086), (418, 49657), (437, 47498), (506, 41021), (646, 32131), (782, 26543), (874, 23749), (1397, 14858), (2159, 9614), (2413, 8602), (2794, 7429), (2921, 7106), (3553, 5842), (4301, 4826), (4318, 4807)]