20621612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1451}}^1$

素因数の和:1502

約数の個数: 48

約数和(自身を含む): 43908480

約数和(自身を除く): 23286868

約数列:

[1, 2, 4, 11, 17, 19, 22, 34, 38, 44, 68, 76, 187, 209, 323, 374, 418, 646, 748, 836, 1292, 1451, 2902, 3553, 5804, 7106, 14212, 15961, 24667, 27569, 31922, 49334, 55138, 63844, 98668, 110276, 271337, 303259, 468673, 542674, 606518, 937346, 1085348, 1213036, 1874692, 5155403, 10310806, 20621612]

約数ペア:

[(1, 20621612), (2, 10310806), (4, 5155403), (11, 1874692), (17, 1213036), (19, 1085348), (22, 937346), (34, 606518), (38, 542674), (44, 468673), (68, 303259), (76, 271337), (187, 110276), (209, 98668), (323, 63844), (374, 55138), (418, 49334), (646, 31922), (748, 27569), (836, 24667), (1292, 15961), (1451, 14212), (2902, 7106), (3553, 5804)]