20815782

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 48093696

約数和(自身を除く): 27277914

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 41, 46, 69, 78, 82, 123, 138, 246, 283, 299, 533, 566, 598, 849, 897, 943, 1066, 1599, 1698, 1794, 1886, 2829, 3198, 3679, 5658, 6509, 7358, 11037, 11603, 12259, 13018, 19527, 22074, 23206, 24518, 34809, 36777, 39054, 69618, 73554, 84617, 150839, 169234, 253851, 266869, 301678, 452517, 507702, 533738, 800607, 905034, 1601214, 3469297, 6938594, 10407891, 20815782]

約数ペア:

[(1, 20815782), (2, 10407891), (3, 6938594), (6, 3469297), (13, 1601214), (23, 905034), (26, 800607), (39, 533738), (41, 507702), (46, 452517), (69, 301678), (78, 266869), (82, 253851), (123, 169234), (138, 150839), (246, 84617), (283, 73554), (299, 69618), (533, 39054), (566, 36777), (598, 34809), (849, 24518), (897, 23206), (943, 22074), (1066, 19527), (1599, 13018), (1698, 12259), (1794, 11603), (1886, 11037), (2829, 7358), (3198, 6509), (3679, 5658)]