20695970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2297}}^1$

素因数の和:2374

約数の個数: 32

約数和(自身を含む): 40205808

約数和(自身を除く): 19509838

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 106, 170, 265, 530, 901, 1802, 2297, 4505, 4594, 9010, 11485, 22970, 39049, 78098, 121741, 195245, 243482, 390490, 608705, 1217410, 2069597, 4139194, 10347985, 20695970]

約数ペア:

[(1, 20695970), (2, 10347985), (5, 4139194), (10, 2069597), (17, 1217410), (34, 608705), (53, 390490), (85, 243482), (106, 195245), (170, 121741), (265, 78098), (530, 39049), (901, 22970), (1802, 11485), (2297, 9010), (4505, 4594)]