20903762

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1163}}^1$

素因数の和:1238

約数の個数: 32

約数和(自身を含む): 36875520

約数和(自身を除く): 15971758

約数列:

[1, 2, 11, 19, 22, 38, 43, 86, 209, 418, 473, 817, 946, 1163, 1634, 2326, 8987, 12793, 17974, 22097, 25586, 44194, 50009, 100018, 243067, 486134, 550099, 950171, 1100198, 1900342, 10451881, 20903762]

約数ペア:

[(1, 20903762), (2, 10451881), (11, 1900342), (19, 1100198), (22, 950171), (38, 550099), (43, 486134), (86, 243067), (209, 100018), (418, 50009), (473, 44194), (817, 25586), (946, 22097), (1163, 17974), (1634, 12793), (2326, 8987)]