20244780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2393}}^1$

素因数の和:2455

約数の個数: 72

約数和(自身を含む): 62741952

約数和(自身を除く): 42497172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2393, 2820, 4230, 4786, 7179, 8460, 9572, 11965, 14358, 21537, 23930, 28716, 35895, 43074, 47860, 71790, 86148, 107685, 112471, 143580, 215370, 224942, 337413, 430740, 449884, 562355, 674826, 1012239, 1124710, 1349652, 1687065, 2024478, 2249420, 3374130, 4048956, 5061195, 6748260, 10122390, 20244780]

約数ペア:

[(1, 20244780), (2, 10122390), (3, 6748260), (4, 5061195), (5, 4048956), (6, 3374130), (9, 2249420), (10, 2024478), (12, 1687065), (15, 1349652), (18, 1124710), (20, 1012239), (30, 674826), (36, 562355), (45, 449884), (47, 430740), (60, 337413), (90, 224942), (94, 215370), (141, 143580), (180, 112471), (188, 107685), (235, 86148), (282, 71790), (423, 47860), (470, 43074), (564, 35895), (705, 28716), (846, 23930), (940, 21537), (1410, 14358), (1692, 11965), (2115, 9572), (2393, 8460), (2820, 7179), (4230, 4786)]