20783658295

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:732

約数の個数: 64

約数和(自身を含む): 27582653952

約数和(自身を除く): 6798995657

約数列:

[1, 5, 17, 41, 85, 101, 137, 205, 431, 505, 685, 697, 1717, 2155, 2329, 3485, 4141, 5617, 7327, 8585, 11645, 13837, 17671, 20705, 28085, 36635, 43531, 59047, 69185, 70397, 88355, 95489, 217655, 235229, 295235, 300407, 351985, 477445, 567317, 740027, 1003799, 1176145, 1502035, 1784771, 2420927, 2836585, 3700135, 5018995, 5963747, 8923855, 9644389, 12104635, 29818735, 30341107, 41155759, 48221945, 101383699, 151705535, 205778795, 244513627, 506918495, 1222568135, 4156731659, 20783658295]

約数ペア:

[(1, 20783658295), (5, 4156731659), (17, 1222568135), (41, 506918495), (85, 244513627), (101, 205778795), (137, 151705535), (205, 101383699), (431, 48221945), (505, 41155759), (685, 30341107), (697, 29818735), (1717, 12104635), (2155, 9644389), (2329, 8923855), (3485, 5963747), (4141, 5018995), (5617, 3700135), (7327, 2836585), (8585, 2420927), (11645, 1784771), (13837, 1502035), (17671, 1176145), (20705, 1003799), (28085, 740027), (36635, 567317), (43531, 477445), (59047, 351985), (69185, 300407), (70397, 295235), (88355, 235229), (95489, 217655)]