20382028

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:633

約数の個数: 24

約数和(自身を含む): 36401904

約数和(自身を除く): 16019876

約数列:

[1, 2, 4, 97, 131, 194, 262, 388, 401, 524, 802, 1604, 12707, 25414, 38897, 50828, 52531, 77794, 105062, 155588, 210124, 5095507, 10191014, 20382028]

約数ペア:

[(1, 20382028), (2, 10191014), (4, 5095507), (97, 210124), (131, 155588), (194, 105062), (262, 77794), (388, 52531), (401, 50828), (524, 38897), (802, 25414), (1604, 12707)]