20667348

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 108

約数和(自身を含む): 58618560

約数和(自身を除く): 37951212

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 79, 86, 117, 129, 156, 158, 169, 172, 234, 237, 258, 316, 338, 387, 468, 474, 507, 516, 559, 676, 711, 774, 948, 1014, 1027, 1118, 1422, 1521, 1548, 1677, 2028, 2054, 2236, 2844, 3042, 3081, 3354, 3397, 4108, 5031, 6084, 6162, 6708, 6794, 7267, 9243, 10062, 10191, 12324, 13351, 13588, 14534, 18486, 20124, 20382, 21801, 26702, 29068, 30573, 36972, 40053, 40764, 43602, 44161, 53404, 61146, 65403, 80106, 87204, 88322, 120159, 122292, 130806, 132483, 160212, 176644, 240318, 261612, 264966, 397449, 480636, 529932, 574093, 794898, 1148186, 1589796, 1722279, 2296372, 3444558, 5166837, 6889116, 10333674, 20667348]

約数ペア:

[(1, 20667348), (2, 10333674), (3, 6889116), (4, 5166837), (6, 3444558), (9, 2296372), (12, 1722279), (13, 1589796), (18, 1148186), (26, 794898), (36, 574093), (39, 529932), (43, 480636), (52, 397449), (78, 264966), (79, 261612), (86, 240318), (117, 176644), (129, 160212), (156, 132483), (158, 130806), (169, 122292), (172, 120159), (234, 88322), (237, 87204), (258, 80106), (316, 65403), (338, 61146), (387, 53404), (468, 44161), (474, 43602), (507, 40764), (516, 40053), (559, 36972), (676, 30573), (711, 29068), (774, 26702), (948, 21801), (1014, 20382), (1027, 20124), (1118, 18486), (1422, 14534), (1521, 13588), (1548, 13351), (1677, 12324), (2028, 10191), (2054, 10062), (2236, 9243), (2844, 7267), (3042, 6794), (3081, 6708), (3354, 6162), (3397, 6084), (4108, 5031)]