20572461

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2791}}^1$

素因数の和:2823

約数の個数: 40

約数和(自身を含む): 37837184

約数和(自身を除く): 17264723

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 2791, 7371, 8373, 19537, 25119, 36283, 58611, 75357, 108849, 175833, 226071, 253981, 326547, 527499, 761943, 979641, 1582497, 2285829, 2938923, 6857487, 20572461]

約数ペア:

[(1, 20572461), (3, 6857487), (7, 2938923), (9, 2285829), (13, 1582497), (21, 979641), (27, 761943), (39, 527499), (63, 326547), (81, 253981), (91, 226071), (117, 175833), (189, 108849), (273, 75357), (351, 58611), (567, 36283), (819, 25119), (1053, 19537), (2457, 8373), (2791, 7371)]