20010505921

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{913013}}^1$

素因数の和:913152

約数の個数: 16

約数和(自身を含む): 23840621568

約数和(自身を除く): 3830115647

約数列:

[1, 7, 31, 101, 217, 707, 3131, 21917, 913013, 6391091, 28303403, 92214313, 198123821, 645500191, 2858643703, 20010505921]

約数ペア:

[(1, 20010505921), (7, 2858643703), (31, 645500191), (101, 198123821), (217, 92214313), (707, 28303403), (3131, 6391091), (21917, 913013)]