20229640720

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{313}}^1\times {\mathrm{3559}}^1$

素因数の和:4112

約数の個数: 80

約数和(自身を含む): 47405358720

約数和(自身を除く): 27175718000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 313, 454, 626, 908, 1135, 1252, 1565, 1816, 2270, 2504, 3130, 3559, 3632, 4540, 5008, 6260, 7118, 9080, 12520, 14236, 17795, 18160, 25040, 28472, 35590, 56944, 71051, 71180, 142102, 142360, 284204, 284720, 355255, 568408, 710510, 807893, 1113967, 1136816, 1421020, 1615786, 2227934, 2842040, 3231572, 4039465, 4455868, 5569835, 5684080, 6463144, 8078930, 8911736, 11139670, 12926288, 16157860, 17823472, 22279340, 32315720, 44558680, 64631440, 89117360, 252870509, 505741018, 1011482036, 1264352545, 2022964072, 2528705090, 4045928144, 5057410180, 10114820360, 20229640720]

約数ペア:

[(1, 20229640720), (2, 10114820360), (4, 5057410180), (5, 4045928144), (8, 2528705090), (10, 2022964072), (16, 1264352545), (20, 1011482036), (40, 505741018), (80, 252870509), (227, 89117360), (313, 64631440), (454, 44558680), (626, 32315720), (908, 22279340), (1135, 17823472), (1252, 16157860), (1565, 12926288), (1816, 11139670), (2270, 8911736), (2504, 8078930), (3130, 6463144), (3559, 5684080), (3632, 5569835), (4540, 4455868), (5008, 4039465), (6260, 3231572), (7118, 2842040), (9080, 2227934), (12520, 1615786), (14236, 1421020), (17795, 1136816), (18160, 1113967), (25040, 807893), (28472, 710510), (35590, 568408), (56944, 355255), (71051, 284720), (71180, 284204), (142102, 142360)]