20105988474

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{163871}}^1$

素因数の和:163924

約数の個数: 72

約数和(自身を含む): 47861767296

約数和(自身を除く): 27755778822

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 121, 143, 169, 242, 286, 338, 363, 429, 507, 726, 858, 1014, 1573, 1859, 3146, 3718, 4719, 5577, 9438, 11154, 20449, 40898, 61347, 122694, 163871, 327742, 491613, 983226, 1802581, 2130323, 3605162, 4260646, 5407743, 6390969, 10815486, 12781938, 19828391, 23433553, 27694199, 39656782, 46867106, 55388398, 59485173, 70300659, 83082597, 118970346, 140601318, 166165194, 257769083, 304636189, 515538166, 609272378, 773307249, 913908567, 1546614498, 1827817134, 3350998079, 6701996158, 10052994237, 20105988474]

約数ペア:

[(1, 20105988474), (2, 10052994237), (3, 6701996158), (6, 3350998079), (11, 1827817134), (13, 1546614498), (22, 913908567), (26, 773307249), (33, 609272378), (39, 515538166), (66, 304636189), (78, 257769083), (121, 166165194), (143, 140601318), (169, 118970346), (242, 83082597), (286, 70300659), (338, 59485173), (363, 55388398), (429, 46867106), (507, 39656782), (726, 27694199), (858, 23433553), (1014, 19828391), (1573, 12781938), (1859, 10815486), (3146, 6390969), (3718, 5407743), (4719, 4260646), (5577, 3605162), (9438, 2130323), (11154, 1802581), (20449, 983226), (40898, 491613), (61347, 327742), (122694, 163871)]