20191294264

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1\times {\mathrm{10099}}^1$

素因数の和:10424

約数の個数: 64

約数和(自身を含む): 40915908000

約数和(自身を除く): 20724613736

約数列:

[1, 2, 4, 8, 17, 34, 61, 68, 122, 136, 241, 244, 482, 488, 964, 1037, 1928, 2074, 4097, 4148, 8194, 8296, 10099, 14701, 16388, 20198, 29402, 32776, 40396, 58804, 80792, 117608, 171683, 249917, 343366, 499834, 616039, 686732, 999668, 1232078, 1373464, 1999336, 2433859, 2464156, 4867718, 4928312, 9735436, 10472663, 19470872, 20945326, 41375603, 41890652, 82751206, 83781304, 148465399, 165502412, 296930798, 331004824, 593861596, 1187723192, 2523911783, 5047823566, 10095647132, 20191294264]

約数ペア:

[(1, 20191294264), (2, 10095647132), (4, 5047823566), (8, 2523911783), (17, 1187723192), (34, 593861596), (61, 331004824), (68, 296930798), (122, 165502412), (136, 148465399), (241, 83781304), (244, 82751206), (482, 41890652), (488, 41375603), (964, 20945326), (1037, 19470872), (1928, 10472663), (2074, 9735436), (4097, 4928312), (4148, 4867718), (8194, 2464156), (8296, 2433859), (10099, 1999336), (14701, 1373464), (16388, 1232078), (20198, 999668), (29402, 686732), (32776, 616039), (40396, 499834), (58804, 343366), (80792, 249917), (117608, 171683)]