20402550986

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{71429}}^1$

素因数の和:71750

約数の個数: 32

約数和(自身を含む): 33573242880

約数和(自身を除く): 13170691894

約数列:

[1, 2, 17, 31, 34, 62, 271, 527, 542, 1054, 4607, 8401, 9214, 16802, 71429, 142817, 142858, 285634, 1214293, 2214299, 2428586, 4428598, 19357259, 37643083, 38714518, 75286166, 329073403, 600075029, 658146806, 1200150058, 10201275493, 20402550986]

約数ペア:

[(1, 20402550986), (2, 10201275493), (17, 1200150058), (31, 658146806), (34, 600075029), (62, 329073403), (271, 75286166), (527, 38714518), (542, 37643083), (1054, 19357259), (4607, 4428598), (8401, 2428586), (9214, 2214299), (16802, 1214293), (71429, 285634), (142817, 142858)]