1900020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31667}}^1$

素因数の和:31679

約数の個数: 24

約数和(自身を含む): 5320224

約数和(自身を除く): 3420204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 31667, 63334, 95001, 126668, 158335, 190002, 316670, 380004, 475005, 633340, 950010, 1900020]

約数ペア:

[(1, 1900020), (2, 950010), (3, 633340), (4, 475005), (5, 380004), (6, 316670), (10, 190002), (12, 158335), (15, 126668), (20, 95001), (30, 63334), (60, 31667)]