20100654

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5501}}^1$

素因数の和:5545

約数の個数: 48

約数和(自身を含む): 51498720

約数和(自身を除く): 31398066

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, 5501, 11002, 16503, 33006, 38507, 49509, 77014, 99018, 115521, 159529, 231042, 319058, 346563, 478587, 693126, 957174, 1116703, 1435761, 2233406, 2871522, 3350109, 6700218, 10050327, 20100654]

約数ペア:

[(1, 20100654), (2, 10050327), (3, 6700218), (6, 3350109), (7, 2871522), (9, 2233406), (14, 1435761), (18, 1116703), (21, 957174), (29, 693126), (42, 478587), (58, 346563), (63, 319058), (87, 231042), (126, 159529), (174, 115521), (203, 99018), (261, 77014), (406, 49509), (522, 38507), (609, 33006), (1218, 16503), (1827, 11002), (3654, 5501)]