20121282496

素因数分解:

$2^6\times 7^1\times {\mathrm{257}}^1\times {\mathrm{174761}}^1$

素因数の和:175037

約数の個数: 56

約数和(自身を含む): 45810013536

約数和(自身を除く): 25688731040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 257, 448, 514, 1028, 1799, 2056, 3598, 4112, 7196, 8224, 14392, 16448, 28784, 57568, 115136, 174761, 349522, 699044, 1223327, 1398088, 2446654, 2796176, 4893308, 5592352, 9786616, 11184704, 19573232, 39146464, 44913577, 78292928, 89827154, 179654308, 314395039, 359308616, 628790078, 718617232, 1257580156, 1437234464, 2515160312, 2874468928, 5030320624, 10060641248, 20121282496]

約数ペア:

[(1, 20121282496), (2, 10060641248), (4, 5030320624), (7, 2874468928), (8, 2515160312), (14, 1437234464), (16, 1257580156), (28, 718617232), (32, 628790078), (56, 359308616), (64, 314395039), (112, 179654308), (224, 89827154), (257, 78292928), (448, 44913577), (514, 39146464), (1028, 19573232), (1799, 11184704), (2056, 9786616), (3598, 5592352), (4112, 4893308), (7196, 2796176), (8224, 2446654), (14392, 1398088), (16448, 1223327), (28784, 699044), (57568, 349522), (115136, 174761)]