20613572

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10369}}^1$

素因数の和:10451

約数の個数: 24

約数和(自身を含む): 41811840

約数和(自身を除く): 21198268

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 10369, 20738, 41476, 72583, 145166, 290332, 736199, 1472398, 2944796, 5153393, 10306786, 20613572]

約数ペア:

[(1, 20613572), (2, 10306786), (4, 5153393), (7, 2944796), (14, 1472398), (28, 736199), (71, 290332), (142, 145166), (284, 72583), (497, 41476), (994, 20738), (1988, 10369)]