20621796

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1973}}^1$

素因数の和:2060

約数の個数: 48

約数和(自身を含む): 52618944

約数和(自身を除く): 31997148

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 67, 78, 134, 156, 201, 268, 402, 804, 871, 1742, 1973, 2613, 3484, 3946, 5226, 5919, 7892, 10452, 11838, 23676, 25649, 51298, 76947, 102596, 132191, 153894, 264382, 307788, 396573, 528764, 793146, 1586292, 1718483, 3436966, 5155449, 6873932, 10310898, 20621796]

約数ペア:

[(1, 20621796), (2, 10310898), (3, 6873932), (4, 5155449), (6, 3436966), (12, 1718483), (13, 1586292), (26, 793146), (39, 528764), (52, 396573), (67, 307788), (78, 264382), (134, 153894), (156, 132191), (201, 102596), (268, 76947), (402, 51298), (804, 25649), (871, 23676), (1742, 11838), (1973, 10452), (2613, 7892), (3484, 5919), (3946, 5226)]