20017494

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2011}}^1$

素因数の和:2105

約数の個数: 48

約数和(自身を含む): 50219520

約数和(自身を除く): 30202026

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 79, 126, 158, 237, 474, 553, 711, 1106, 1422, 1659, 2011, 3318, 4022, 4977, 6033, 9954, 12066, 14077, 18099, 28154, 36198, 42231, 84462, 126693, 158869, 253386, 317738, 476607, 953214, 1112083, 1429821, 2224166, 2859642, 3336249, 6672498, 10008747, 20017494]

約数ペア:

[(1, 20017494), (2, 10008747), (3, 6672498), (6, 3336249), (7, 2859642), (9, 2224166), (14, 1429821), (18, 1112083), (21, 953214), (42, 476607), (63, 317738), (79, 253386), (126, 158869), (158, 126693), (237, 84462), (474, 42231), (553, 36198), (711, 28154), (1106, 18099), (1422, 14077), (1659, 12066), (2011, 9954), (3318, 6033), (4022, 4977)]