20774220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18223}}^1$

素因数の和:18254

約数の個数: 48

約数和(自身を含む): 61232640

約数和(自身を除く): 40458420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18223, 36446, 54669, 72892, 91115, 109338, 182230, 218676, 273345, 346237, 364460, 546690, 692474, 1038711, 1093380, 1384948, 1731185, 2077422, 3462370, 4154844, 5193555, 6924740, 10387110, 20774220]

約数ペア:

[(1, 20774220), (2, 10387110), (3, 6924740), (4, 5193555), (5, 4154844), (6, 3462370), (10, 2077422), (12, 1731185), (15, 1384948), (19, 1093380), (20, 1038711), (30, 692474), (38, 546690), (57, 364460), (60, 346237), (76, 273345), (95, 218676), (114, 182230), (190, 109338), (228, 91115), (285, 72892), (380, 54669), (570, 36446), (1140, 18223)]