20960700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:767

約数の個数: 72

約数和(自身を含む): 61298160

約数和(自身を除く): 40337460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 109, 150, 218, 300, 327, 436, 545, 641, 654, 1090, 1282, 1308, 1635, 1923, 2180, 2564, 2725, 3205, 3270, 3846, 5450, 6410, 6540, 7692, 8175, 9615, 10900, 12820, 16025, 16350, 19230, 32050, 32700, 38460, 48075, 64100, 69869, 96150, 139738, 192300, 209607, 279476, 349345, 419214, 698690, 838428, 1048035, 1397380, 1746725, 2096070, 3493450, 4192140, 5240175, 6986900, 10480350, 20960700]

約数ペア:

[(1, 20960700), (2, 10480350), (3, 6986900), (4, 5240175), (5, 4192140), (6, 3493450), (10, 2096070), (12, 1746725), (15, 1397380), (20, 1048035), (25, 838428), (30, 698690), (50, 419214), (60, 349345), (75, 279476), (100, 209607), (109, 192300), (150, 139738), (218, 96150), (300, 69869), (327, 64100), (436, 48075), (545, 38460), (641, 32700), (654, 32050), (1090, 19230), (1282, 16350), (1308, 16025), (1635, 12820), (1923, 10900), (2180, 9615), (2564, 8175), (2725, 7692), (3205, 6540), (3270, 6410), (3846, 5450)]