20277390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{433}}^1$

素因数の和:673

約数の個数: 64

約数和(自身を含む): 55996416

約数和(自身を除く): 35719026

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 223, 433, 446, 669, 866, 1115, 1299, 1338, 1561, 2165, 2230, 2598, 3031, 3122, 3345, 4330, 4683, 6062, 6495, 6690, 7805, 9093, 9366, 12990, 15155, 15610, 18186, 23415, 30310, 45465, 46830, 90930, 96559, 193118, 289677, 482795, 579354, 675913, 965590, 1351826, 1448385, 2027739, 2896770, 3379565, 4055478, 6759130, 10138695, 20277390]

約数ペア:

[(1, 20277390), (2, 10138695), (3, 6759130), (5, 4055478), (6, 3379565), (7, 2896770), (10, 2027739), (14, 1448385), (15, 1351826), (21, 965590), (30, 675913), (35, 579354), (42, 482795), (70, 289677), (105, 193118), (210, 96559), (223, 90930), (433, 46830), (446, 45465), (669, 30310), (866, 23415), (1115, 18186), (1299, 15610), (1338, 15155), (1561, 12990), (2165, 9366), (2230, 9093), (2598, 7805), (3031, 6690), (3122, 6495), (3345, 6062), (4330, 4683)]