20788652

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 37126320

約数和(自身を除く): 16337668

約数列:

[1, 2, 4, 97, 131, 194, 262, 388, 409, 524, 818, 1636, 12707, 25414, 39673, 50828, 53579, 79346, 107158, 158692, 214316, 5197163, 10394326, 20788652]

約数ペア:

[(1, 20788652), (2, 10394326), (4, 5197163), (97, 214316), (131, 158692), (194, 107158), (262, 79346), (388, 53579), (409, 50828), (524, 39673), (818, 25414), (1636, 12707)]