20588910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{563}}^1$

素因数の和:649

約数の個数: 64

約数和(自身を含む): 52627968

約数和(自身を除く): 32039058

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 53, 69, 106, 115, 138, 159, 230, 265, 318, 345, 530, 563, 690, 795, 1126, 1219, 1590, 1689, 2438, 2815, 3378, 3657, 5630, 6095, 7314, 8445, 12190, 12949, 16890, 18285, 25898, 29839, 36570, 38847, 59678, 64745, 77694, 89517, 129490, 149195, 179034, 194235, 298390, 388470, 447585, 686297, 895170, 1372594, 2058891, 3431485, 4117782, 6862970, 10294455, 20588910]

約数ペア:

[(1, 20588910), (2, 10294455), (3, 6862970), (5, 4117782), (6, 3431485), (10, 2058891), (15, 1372594), (23, 895170), (30, 686297), (46, 447585), (53, 388470), (69, 298390), (106, 194235), (115, 179034), (138, 149195), (159, 129490), (230, 89517), (265, 77694), (318, 64745), (345, 59678), (530, 38847), (563, 36570), (690, 29839), (795, 25898), (1126, 18285), (1219, 16890), (1590, 12949), (1689, 12190), (2438, 8445), (2815, 7314), (3378, 6095), (3657, 5630)]