20164220072

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{2543}}^1\times {\mathrm{31973}}^1$

素因数の和:34553

約数の個数: 32

約数和(自身を含む): 39044090880

約数和(自身を除く): 18879870808

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 2543, 5086, 10172, 20344, 31973, 63946, 78833, 127892, 157666, 255784, 315332, 630664, 991163, 1982326, 3964652, 7929304, 81307339, 162614678, 325229356, 650458712, 2520527509, 5041055018, 10082110036, 20164220072]

約数ペア:

[(1, 20164220072), (2, 10082110036), (4, 5041055018), (8, 2520527509), (31, 650458712), (62, 325229356), (124, 162614678), (248, 81307339), (2543, 7929304), (5086, 3964652), (10172, 1982326), (20344, 991163), (31973, 630664), (63946, 315332), (78833, 255784), (127892, 157666)]