20106632

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 47174400

約数和(自身を除く): 27067768

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 71, 91, 104, 142, 182, 284, 364, 389, 497, 568, 728, 778, 923, 994, 1556, 1846, 1988, 2723, 3112, 3692, 3976, 5057, 5446, 6461, 7384, 10114, 10892, 12922, 20228, 21784, 25844, 27619, 35399, 40456, 51688, 55238, 70798, 110476, 141596, 193333, 220952, 283192, 359047, 386666, 718094, 773332, 1436188, 1546664, 2513329, 2872376, 5026658, 10053316, 20106632]

約数ペア:

[(1, 20106632), (2, 10053316), (4, 5026658), (7, 2872376), (8, 2513329), (13, 1546664), (14, 1436188), (26, 773332), (28, 718094), (52, 386666), (56, 359047), (71, 283192), (91, 220952), (104, 193333), (142, 141596), (182, 110476), (284, 70798), (364, 55238), (389, 51688), (497, 40456), (568, 35399), (728, 27619), (778, 25844), (923, 21784), (994, 20228), (1556, 12922), (1846, 10892), (1988, 10114), (2723, 7384), (3112, 6461), (3692, 5446), (3976, 5057)]