20210040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18713}}^1$

素因数の和:18733

約数の個数: 64

約数和(自身を含む): 67370400

約数和(自身を除く): 47160360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18713, 37426, 56139, 74852, 93565, 112278, 149704, 168417, 187130, 224556, 280695, 336834, 374260, 449112, 505251, 561390, 673668, 748520, 842085, 1010502, 1122780, 1347336, 1684170, 2021004, 2245560, 2526255, 3368340, 4042008, 5052510, 6736680, 10105020, 20210040]

約数ペア:

[(1, 20210040), (2, 10105020), (3, 6736680), (4, 5052510), (5, 4042008), (6, 3368340), (8, 2526255), (9, 2245560), (10, 2021004), (12, 1684170), (15, 1347336), (18, 1122780), (20, 1010502), (24, 842085), (27, 748520), (30, 673668), (36, 561390), (40, 505251), (45, 449112), (54, 374260), (60, 336834), (72, 280695), (90, 224556), (108, 187130), (120, 168417), (135, 149704), (180, 112278), (216, 93565), (270, 74852), (360, 56139), (540, 37426), (1080, 18713)]