17020220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1993}}^1$

素因数の和:2070

約数の個数: 48

約数和(自身を含む): 41539008

約数和(自身を除く): 24518788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 1993, 2135, 3986, 4270, 7972, 8540, 9965, 13951, 19930, 27902, 39860, 55804, 69755, 121573, 139510, 243146, 279020, 486292, 607865, 851011, 1215730, 1702022, 2431460, 3404044, 4255055, 8510110, 17020220]

約数ペア:

[(1, 17020220), (2, 8510110), (4, 4255055), (5, 3404044), (7, 2431460), (10, 1702022), (14, 1215730), (20, 851011), (28, 607865), (35, 486292), (61, 279020), (70, 243146), (122, 139510), (140, 121573), (244, 69755), (305, 55804), (427, 39860), (610, 27902), (854, 19930), (1220, 13951), (1708, 9965), (1993, 8540), (2135, 7972), (3986, 4270)]