23020720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{16927}}^1$

素因数の和:16957

約数の個数: 40

約数和(自身を含む): 56674944

約数和(自身を除く): 33654224

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 16927, 33854, 67708, 84635, 135416, 169270, 270832, 287759, 338540, 575518, 677080, 1151036, 1354160, 1438795, 2302072, 2877590, 4604144, 5755180, 11510360, 23020720]

約数ペア:

[(1, 23020720), (2, 11510360), (4, 5755180), (5, 4604144), (8, 2877590), (10, 2302072), (16, 1438795), (17, 1354160), (20, 1151036), (34, 677080), (40, 575518), (68, 338540), (80, 287759), (85, 270832), (136, 169270), (170, 135416), (272, 84635), (340, 67708), (680, 33854), (1360, 16927)]