20874927355

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1\times {\mathrm{1087}}^1$

素因数の和:1579

約数の個数: 32

約数和(自身を含む): 25575137280

約数和(自身を除く): 4700209925

約数列:

[1, 5, 109, 167, 211, 545, 835, 1055, 1087, 5435, 18203, 22999, 35237, 91015, 114995, 118483, 176185, 181529, 229357, 592415, 907645, 1146785, 3840833, 19204165, 19786661, 24999913, 38302619, 98933305, 124999565, 191513095, 4174985471, 20874927355]

約数ペア:

[(1, 20874927355), (5, 4174985471), (109, 191513095), (167, 124999565), (211, 98933305), (545, 38302619), (835, 24999913), (1055, 19786661), (1087, 19204165), (5435, 3840833), (18203, 1146785), (22999, 907645), (35237, 592415), (91015, 229357), (114995, 181529), (118483, 176185)]