20691510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2663}}^1$

素因数の和:2717

約数の個数: 64

約数和(自身を含む): 58309632

約数和(自身を除く): 37618122

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 70, 74, 105, 111, 185, 210, 222, 259, 370, 518, 555, 777, 1110, 1295, 1554, 2590, 2663, 3885, 5326, 7770, 7989, 13315, 15978, 18641, 26630, 37282, 39945, 55923, 79890, 93205, 98531, 111846, 186410, 197062, 279615, 295593, 492655, 559230, 591186, 689717, 985310, 1379434, 1477965, 2069151, 2955930, 3448585, 4138302, 6897170, 10345755, 20691510]

約数ペア:

[(1, 20691510), (2, 10345755), (3, 6897170), (5, 4138302), (6, 3448585), (7, 2955930), (10, 2069151), (14, 1477965), (15, 1379434), (21, 985310), (30, 689717), (35, 591186), (37, 559230), (42, 492655), (70, 295593), (74, 279615), (105, 197062), (111, 186410), (185, 111846), (210, 98531), (222, 93205), (259, 79890), (370, 55923), (518, 39945), (555, 37282), (777, 26630), (1110, 18641), (1295, 15978), (1554, 13315), (2590, 7989), (2663, 7770), (3885, 5326)]