20692890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5347}}^1$

素因数の和:5403

約数の個数: 48

約数和(自身を含む): 55063008

約数和(自身を除く): 34370118

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 5347, 10694, 16041, 26735, 32082, 48123, 53470, 80205, 96246, 160410, 229921, 240615, 459842, 481230, 689763, 1149605, 1379526, 2069289, 2299210, 3448815, 4138578, 6897630, 10346445, 20692890]

約数ペア:

[(1, 20692890), (2, 10346445), (3, 6897630), (5, 4138578), (6, 3448815), (9, 2299210), (10, 2069289), (15, 1379526), (18, 1149605), (30, 689763), (43, 481230), (45, 459842), (86, 240615), (90, 229921), (129, 160410), (215, 96246), (258, 80205), (387, 53470), (430, 48123), (645, 32082), (774, 26735), (1290, 16041), (1935, 10694), (3870, 5347)]