20524924

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 45390240

約数和(自身を除く): 24865316

約数列:

[1, 2, 4, 7, 14, 23, 28, 29, 46, 49, 58, 92, 98, 116, 157, 161, 196, 203, 314, 322, 406, 628, 644, 667, 812, 1099, 1127, 1334, 1421, 2198, 2254, 2668, 2842, 3611, 4396, 4508, 4553, 4669, 5684, 7222, 7693, 9106, 9338, 14444, 15386, 18212, 18676, 25277, 30772, 31871, 32683, 50554, 63742, 65366, 101108, 104719, 127484, 130732, 176939, 209438, 223097, 353878, 418876, 446194, 707756, 733033, 892388, 1466066, 2932132, 5131231, 10262462, 20524924]

約数ペア:

[(1, 20524924), (2, 10262462), (4, 5131231), (7, 2932132), (14, 1466066), (23, 892388), (28, 733033), (29, 707756), (46, 446194), (49, 418876), (58, 353878), (92, 223097), (98, 209438), (116, 176939), (157, 130732), (161, 127484), (196, 104719), (203, 101108), (314, 65366), (322, 63742), (406, 50554), (628, 32683), (644, 31871), (667, 30772), (812, 25277), (1099, 18676), (1127, 18212), (1334, 15386), (1421, 14444), (2198, 9338), (2254, 9106), (2668, 7693), (2842, 7222), (3611, 5684), (4396, 4669), (4508, 4553)]