20463618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:411

約数の個数: 64

約数和(自身を含む): 49455360

約数和(自身を除く): 28991742

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 53, 58, 87, 106, 159, 174, 203, 317, 318, 371, 406, 609, 634, 742, 951, 1113, 1218, 1537, 1902, 2219, 2226, 3074, 4438, 4611, 6657, 9193, 9222, 10759, 13314, 16801, 18386, 21518, 27579, 32277, 33602, 50403, 55158, 64351, 64554, 100806, 117607, 128702, 193053, 235214, 352821, 386106, 487229, 705642, 974458, 1461687, 2923374, 3410603, 6821206, 10231809, 20463618]

約数ペア:

[(1, 20463618), (2, 10231809), (3, 6821206), (6, 3410603), (7, 2923374), (14, 1461687), (21, 974458), (29, 705642), (42, 487229), (53, 386106), (58, 352821), (87, 235214), (106, 193053), (159, 128702), (174, 117607), (203, 100806), (317, 64554), (318, 64351), (371, 55158), (406, 50403), (609, 33602), (634, 32277), (742, 27579), (951, 21518), (1113, 18386), (1218, 16801), (1537, 13314), (1902, 10759), (2219, 9222), (2226, 9193), (3074, 6657), (4438, 4611)]