20401890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{3931}}^1$

素因数の和:4114

約数の個数: 32

約数和(自身を含む): 49260096

約数和(自身を除く): 28858206

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 173, 346, 519, 865, 1038, 1730, 2595, 3931, 5190, 7862, 11793, 19655, 23586, 39310, 58965, 117930, 680063, 1360126, 2040189, 3400315, 4080378, 6800630, 10200945, 20401890]

約数ペア:

[(1, 20401890), (2, 10200945), (3, 6800630), (5, 4080378), (6, 3400315), (10, 2040189), (15, 1360126), (30, 680063), (173, 117930), (346, 58965), (519, 39310), (865, 23586), (1038, 19655), (1730, 11793), (2595, 7862), (3931, 5190)]