20145166648

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{997}}^1\times {\mathrm{61603}}^1$

素因数の和:62647

約数の個数: 32

約数和(自身を含む): 38732898960

約数和(自身を除く): 18587732312

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 997, 1994, 3988, 7976, 40877, 61603, 81754, 123206, 163508, 246412, 327016, 492824, 2525723, 5051446, 10102892, 20205784, 61418191, 122836382, 245672764, 491345528, 2518145831, 5036291662, 10072583324, 20145166648]

約数ペア:

[(1, 20145166648), (2, 10072583324), (4, 5036291662), (8, 2518145831), (41, 491345528), (82, 245672764), (164, 122836382), (328, 61418191), (997, 20205784), (1994, 10102892), (3988, 5051446), (7976, 2525723), (40877, 492824), (61603, 327016), (81754, 246412), (123206, 163508)]