17895020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6257}}^1$

素因数の和:6290

約数の個数: 48

約数和(自身を含む): 44156448

約数和(自身を除く): 26261428

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 6257, 12514, 25028, 31285, 62570, 68827, 81341, 125140, 137654, 162682, 275308, 325364, 344135, 406705, 688270, 813410, 894751, 1376540, 1626820, 1789502, 3579004, 4473755, 8947510, 17895020]

約数ペア:

[(1, 17895020), (2, 8947510), (4, 4473755), (5, 3579004), (10, 1789502), (11, 1626820), (13, 1376540), (20, 894751), (22, 813410), (26, 688270), (44, 406705), (52, 344135), (55, 325364), (65, 275308), (110, 162682), (130, 137654), (143, 125140), (220, 81341), (260, 68827), (286, 62570), (572, 31285), (715, 25028), (1430, 12514), (2860, 6257)]