20022213

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 29140992

約数和(自身を除く): 9118779

約数列:

[1, 3, 23, 61, 67, 69, 71, 183, 201, 213, 1403, 1541, 1633, 4087, 4209, 4331, 4623, 4757, 4899, 12261, 12993, 14271, 94001, 99613, 109411, 282003, 290177, 298839, 328233, 870531, 6674071, 20022213]

約数ペア:

[(1, 20022213), (3, 6674071), (23, 870531), (61, 328233), (67, 298839), (69, 290177), (71, 282003), (183, 109411), (201, 99613), (213, 94001), (1403, 14271), (1541, 12993), (1633, 12261), (4087, 4899), (4209, 4757), (4331, 4623)]