20554326

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5167}}^1$

素因数の和:5205

約数の個数: 48

約数和(自身を含む): 50791104

約数和(自身を除く): 30236778

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 5167, 10334, 15501, 31002, 46503, 67171, 87839, 93006, 134342, 175678, 201513, 263517, 403026, 527034, 604539, 790551, 1141907, 1209078, 1581102, 2283814, 3425721, 6851442, 10277163, 20554326]

約数ペア:

[(1, 20554326), (2, 10277163), (3, 6851442), (6, 3425721), (9, 2283814), (13, 1581102), (17, 1209078), (18, 1141907), (26, 790551), (34, 604539), (39, 527034), (51, 403026), (78, 263517), (102, 201513), (117, 175678), (153, 134342), (221, 93006), (234, 87839), (306, 67171), (442, 46503), (663, 31002), (1326, 15501), (1989, 10334), (3978, 5167)]