20648754

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5651}}^1$

素因数の和:5695

約数の個数: 48

約数和(自身を含む): 52902720

約数和(自身を除く): 32253966

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 58, 63, 87, 126, 174, 203, 261, 406, 522, 609, 1218, 1827, 3654, 5651, 11302, 16953, 33906, 39557, 50859, 79114, 101718, 118671, 163879, 237342, 327758, 356013, 491637, 712026, 983274, 1147153, 1474911, 2294306, 2949822, 3441459, 6882918, 10324377, 20648754]

約数ペア:

[(1, 20648754), (2, 10324377), (3, 6882918), (6, 3441459), (7, 2949822), (9, 2294306), (14, 1474911), (18, 1147153), (21, 983274), (29, 712026), (42, 491637), (58, 356013), (63, 327758), (87, 237342), (126, 163879), (174, 118671), (203, 101718), (261, 79114), (406, 50859), (522, 39557), (609, 33906), (1218, 16953), (1827, 11302), (3654, 5651)]