20177765584

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{992219}}^1$

素因数の和:992299

約数の個数: 40

約数和(自身を含む): 41339854080

約数和(自身を除く): 21162088496

約数列:

[1, 2, 4, 8, 16, 31, 41, 62, 82, 124, 164, 248, 328, 496, 656, 1271, 2542, 5084, 10168, 20336, 992219, 1984438, 3968876, 7937752, 15875504, 30758789, 40680979, 61517578, 81361958, 123035156, 162723916, 246070312, 325447832, 492140624, 650895664, 1261110349, 2522220698, 5044441396, 10088882792, 20177765584]

約数ペア:

[(1, 20177765584), (2, 10088882792), (4, 5044441396), (8, 2522220698), (16, 1261110349), (31, 650895664), (41, 492140624), (62, 325447832), (82, 246070312), (124, 162723916), (164, 123035156), (248, 81361958), (328, 61517578), (496, 40680979), (656, 30758789), (1271, 15875504), (2542, 7937752), (5084, 3968876), (10168, 1984438), (20336, 992219)]