20701982

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1$

素因数の和:600

約数の個数: 32

約数和(自身を含む): 37632000

約数和(自身を除く): 16930018

約数列:

[1, 2, 7, 14, 19, 38, 133, 223, 266, 349, 446, 698, 1561, 2443, 3122, 4237, 4886, 6631, 8474, 13262, 29659, 46417, 59318, 77827, 92834, 155654, 544789, 1089578, 1478713, 2957426, 10350991, 20701982]

約数ペア:

[(1, 20701982), (2, 10350991), (7, 2957426), (14, 1478713), (19, 1089578), (38, 544789), (133, 155654), (223, 92834), (266, 77827), (349, 59318), (446, 46417), (698, 29659), (1561, 13262), (2443, 8474), (3122, 6631), (4237, 4886)]