20921424

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{25639}}^1$

素因数の和:25667

約数の個数: 40

約数和(自身を含む): 57228480

約数和(自身を除く): 36307056

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 25639, 51278, 76917, 102556, 153834, 205112, 307668, 410224, 435863, 615336, 871726, 1230672, 1307589, 1743452, 2615178, 3486904, 5230356, 6973808, 10460712, 20921424]

約数ペア:

[(1, 20921424), (2, 10460712), (3, 6973808), (4, 5230356), (6, 3486904), (8, 2615178), (12, 1743452), (16, 1307589), (17, 1230672), (24, 871726), (34, 615336), (48, 435863), (51, 410224), (68, 307668), (102, 205112), (136, 153834), (204, 102556), (272, 76917), (408, 51278), (816, 25639)]