20180376993

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{135367}}^1$

素因数の和:135637

約数の個数: 32

約数和(自身を含む): 31881871360

約数和(自身を除く): 11701494367

約数列:

[1, 3, 7, 21, 31, 93, 217, 229, 651, 687, 1603, 4809, 7099, 21297, 49693, 135367, 149079, 406101, 947569, 2842707, 4196377, 12589131, 29374639, 30999043, 88123917, 92997129, 216993301, 650979903, 960970333, 2882910999, 6726792331, 20180376993]

約数ペア:

[(1, 20180376993), (3, 6726792331), (7, 2882910999), (21, 960970333), (31, 650979903), (93, 216993301), (217, 92997129), (229, 88123917), (651, 30999043), (687, 29374639), (1603, 12589131), (4809, 4196377), (7099, 2842707), (21297, 947569), (49693, 406101), (135367, 149079)]