20696568

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 53627520

約数和(自身を除く): 32930952

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 67, 122, 134, 183, 201, 211, 244, 268, 366, 402, 422, 488, 536, 633, 732, 804, 844, 1266, 1464, 1608, 1688, 2532, 4087, 5064, 8174, 12261, 12871, 14137, 16348, 24522, 25742, 28274, 32696, 38613, 42411, 49044, 51484, 56548, 77226, 84822, 98088, 102968, 113096, 154452, 169644, 308904, 339288, 862357, 1724714, 2587071, 3449428, 5174142, 6898856, 10348284, 20696568]

約数ペア:

[(1, 20696568), (2, 10348284), (3, 6898856), (4, 5174142), (6, 3449428), (8, 2587071), (12, 1724714), (24, 862357), (61, 339288), (67, 308904), (122, 169644), (134, 154452), (183, 113096), (201, 102968), (211, 98088), (244, 84822), (268, 77226), (366, 56548), (402, 51484), (422, 49044), (488, 42411), (536, 38613), (633, 32696), (732, 28274), (804, 25742), (844, 24522), (1266, 16348), (1464, 14137), (1608, 12871), (1688, 12261), (2532, 8174), (4087, 5064)]