20713590965

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1\times {\mathrm{1913}}^1$

素因数の和:2381

約数の個数: 32

約数和(自身を含む): 25563935232

約数和(自身を除く): 4850344267

約数列:

[1, 5, 61, 131, 271, 305, 655, 1355, 1913, 7991, 9565, 16531, 35501, 39955, 82655, 116693, 177505, 250603, 518423, 583465, 1253015, 2165561, 2592115, 10827805, 15286783, 31623803, 67913413, 76433915, 158119015, 339567065, 4142718193, 20713590965]

約数ペア:

[(1, 20713590965), (5, 4142718193), (61, 339567065), (131, 158119015), (271, 76433915), (305, 67913413), (655, 31623803), (1355, 15286783), (1913, 10827805), (7991, 2592115), (9565, 2165561), (16531, 1253015), (35501, 583465), (39955, 518423), (82655, 250603), (116693, 177505)]