20217504915

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1151}}^1\times {\mathrm{22961}}^1$

素因数の和:24140

約数の個数: 48

約数和(自身を含む): 37138922496

約数和(自身を除く): 16921417581

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 1151, 3453, 5755, 10359, 17265, 19567, 22961, 51795, 58701, 68883, 97835, 114805, 176103, 206649, 293505, 344415, 390337, 880515, 1033245, 1171011, 1951685, 3513033, 5855055, 17565165, 26428111, 79284333, 132140555, 237852999, 396421665, 449277887, 1189264995, 1347833661, 2246389435, 4043500983, 6739168305, 20217504915]

約数ペア:

[(1, 20217504915), (3, 6739168305), (5, 4043500983), (9, 2246389435), (15, 1347833661), (17, 1189264995), (45, 449277887), (51, 396421665), (85, 237852999), (153, 132140555), (255, 79284333), (765, 26428111), (1151, 17565165), (3453, 5855055), (5755, 3513033), (10359, 1951685), (17265, 1171011), (19567, 1033245), (22961, 880515), (51795, 390337), (58701, 344415), (68883, 293505), (97835, 206649), (114805, 176103)]