20199131978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{541}}^1\times {\mathrm{11321}}^1$

素因数の和:11978

約数の個数: 32

約数和(自身を含む): 32474485008

約数和(自身を除く): 12275353030

約数列:

[1, 2, 17, 34, 97, 194, 541, 1082, 1649, 3298, 9197, 11321, 18394, 22642, 52477, 104954, 192457, 384914, 892109, 1098137, 1784218, 2196274, 6124661, 12249322, 18668329, 37336658, 104119237, 208238474, 594092117, 1188184234, 10099565989, 20199131978]

約数ペア:

[(1, 20199131978), (2, 10099565989), (17, 1188184234), (34, 594092117), (97, 208238474), (194, 104119237), (541, 37336658), (1082, 18668329), (1649, 12249322), (3298, 6124661), (9197, 2196274), (11321, 1784218), (18394, 1098137), (22642, 892109), (52477, 384914), (104954, 192457)]