20480212

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 39739392

約数和(自身を除く): 19259180

約数列:

[1, 2, 4, 23, 31, 43, 46, 62, 86, 92, 124, 167, 172, 334, 668, 713, 989, 1333, 1426, 1978, 2666, 2852, 3841, 3956, 5177, 5332, 7181, 7682, 10354, 14362, 15364, 20708, 28724, 30659, 61318, 119071, 122636, 165163, 222611, 238142, 330326, 445222, 476284, 660652, 890444, 5120053, 10240106, 20480212]

約数ペア:

[(1, 20480212), (2, 10240106), (4, 5120053), (23, 890444), (31, 660652), (43, 476284), (46, 445222), (62, 330326), (86, 238142), (92, 222611), (124, 165163), (167, 122636), (172, 119071), (334, 61318), (668, 30659), (713, 28724), (989, 20708), (1333, 15364), (1426, 14362), (1978, 10354), (2666, 7682), (2852, 7181), (3841, 5332), (3956, 5177)]