20784826818

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1107107}}^1$

素因数の和:1107271

約数の個数: 48

約数和(自身を含む): 51812654400

約数和(自身を除く): 31027827582

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 149, 298, 447, 894, 1043, 1341, 2086, 2682, 3129, 6258, 9387, 18774, 1107107, 2214214, 3321321, 6642642, 7749749, 9963963, 15499498, 19927926, 23249247, 46498494, 69747741, 139495482, 164958943, 329917886, 494876829, 989753658, 1154712601, 1484630487, 2309425202, 2969260974, 3464137803, 6928275606, 10392413409, 20784826818]

約数ペア:

[(1, 20784826818), (2, 10392413409), (3, 6928275606), (6, 3464137803), (7, 2969260974), (9, 2309425202), (14, 1484630487), (18, 1154712601), (21, 989753658), (42, 494876829), (63, 329917886), (126, 164958943), (149, 139495482), (298, 69747741), (447, 46498494), (894, 23249247), (1043, 19927926), (1341, 15499498), (2086, 9963963), (2682, 7749749), (3129, 6642642), (6258, 3321321), (9387, 2214214), (18774, 1107107)]