20212048

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3911}}^1$

素因数の和:3955

約数の個数: 40

約数和(自身を含む): 43657920

約数和(自身を除く): 23445872

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 3911, 5168, 7822, 15644, 31288, 62576, 66487, 74309, 132974, 148618, 265948, 297236, 531896, 594472, 1063792, 1188944, 1263253, 2526506, 5053012, 10106024, 20212048]

約数ペア:

[(1, 20212048), (2, 10106024), (4, 5053012), (8, 2526506), (16, 1263253), (17, 1188944), (19, 1063792), (34, 594472), (38, 531896), (68, 297236), (76, 265948), (136, 148618), (152, 132974), (272, 74309), (304, 66487), (323, 62576), (646, 31288), (1292, 15644), (2584, 7822), (3911, 5168)]