20805737626

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{619}}^1\times {\mathrm{2011}}^1$

素因数の和:2830

約数の個数: 32

約数和(自身を含む): 32019289920

約数和(自身を除く): 11213552294

約数列:

[1, 2, 61, 122, 137, 274, 619, 1238, 2011, 4022, 8357, 16714, 37759, 75518, 84803, 122671, 169606, 245342, 275507, 551014, 1244809, 2489618, 5172983, 10345966, 16805927, 33611854, 75933349, 151866698, 170538833, 341077666, 10402868813, 20805737626]

約数ペア:

[(1, 20805737626), (2, 10402868813), (61, 341077666), (122, 170538833), (137, 151866698), (274, 75933349), (619, 33611854), (1238, 16805927), (2011, 10345966), (4022, 5172983), (8357, 2489618), (16714, 1244809), (37759, 551014), (75518, 275507), (84803, 245342), (122671, 169606)]