20123572239

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1\times {\mathrm{2011}}^1$

素因数の和:2596

約数の個数: 48

約数和(自身を含む): 30905929600

約数和(自身を除く): 10782357361

約数列:

[1, 3, 9, 19, 57, 139, 171, 417, 421, 1251, 1263, 2011, 2641, 3789, 6033, 7923, 7999, 18099, 23769, 23997, 38209, 58519, 71991, 114627, 175557, 279529, 343881, 526671, 838587, 846631, 1111861, 2515761, 2539893, 3335583, 5311051, 7619679, 10006749, 15933153, 16085989, 47799459, 48257967, 117681709, 144773901, 353045127, 1059135381, 2235952471, 6707857413, 20123572239]

約数ペア:

[(1, 20123572239), (3, 6707857413), (9, 2235952471), (19, 1059135381), (57, 353045127), (139, 144773901), (171, 117681709), (417, 48257967), (421, 47799459), (1251, 16085989), (1263, 15933153), (2011, 10006749), (2641, 7619679), (3789, 5311051), (6033, 3335583), (7923, 2539893), (7999, 2515761), (18099, 1111861), (23769, 846631), (23997, 838587), (38209, 526671), (58519, 343881), (71991, 279529), (114627, 175557)]