20101428

素因数分解:

$2^2\times 3^2\times {\mathrm{509}}^1\times {\mathrm{1097}}^1$

素因数の和:1616

約数の個数: 36

約数和(自身を含む): 50958180

約数和(自身を除く): 30856752

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 509, 1018, 1097, 1527, 2036, 2194, 3054, 3291, 4388, 4581, 6108, 6582, 9162, 9873, 13164, 18324, 19746, 39492, 558373, 1116746, 1675119, 2233492, 3350238, 5025357, 6700476, 10050714, 20101428]

約数ペア:

[(1, 20101428), (2, 10050714), (3, 6700476), (4, 5025357), (6, 3350238), (9, 2233492), (12, 1675119), (18, 1116746), (36, 558373), (509, 39492), (1018, 19746), (1097, 18324), (1527, 13164), (2036, 9873), (2194, 9162), (3054, 6582), (3291, 6108), (4388, 4581)]