20854330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12953}}^1$

素因数の和:12990

約数の個数: 32

約数和(自身を含む): 44769024

約数和(自身を除く): 23914694

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12953, 25906, 64765, 90671, 129530, 181342, 297919, 453355, 595838, 906710, 1489595, 2085433, 2979190, 4170866, 10427165, 20854330]

約数ペア:

[(1, 20854330), (2, 10427165), (5, 4170866), (7, 2979190), (10, 2085433), (14, 1489595), (23, 906710), (35, 595838), (46, 453355), (70, 297919), (115, 181342), (161, 129530), (230, 90671), (322, 64765), (805, 25906), (1610, 12953)]