20959800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:393

約数の個数: 96

約数和(自身を含む): 65672880

約数和(自身を除く): 44713080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 181, 193, 200, 300, 362, 386, 543, 579, 600, 724, 772, 905, 965, 1086, 1158, 1448, 1544, 1810, 1930, 2172, 2316, 2715, 2895, 3620, 3860, 4344, 4525, 4632, 4825, 5430, 5790, 7240, 7720, 9050, 9650, 10860, 11580, 13575, 14475, 18100, 19300, 21720, 23160, 27150, 28950, 34933, 36200, 38600, 54300, 57900, 69866, 104799, 108600, 115800, 139732, 174665, 209598, 279464, 349330, 419196, 523995, 698660, 838392, 873325, 1047990, 1397320, 1746650, 2095980, 2619975, 3493300, 4191960, 5239950, 6986600, 10479900, 20959800]

約数ペア:

[(1, 20959800), (2, 10479900), (3, 6986600), (4, 5239950), (5, 4191960), (6, 3493300), (8, 2619975), (10, 2095980), (12, 1746650), (15, 1397320), (20, 1047990), (24, 873325), (25, 838392), (30, 698660), (40, 523995), (50, 419196), (60, 349330), (75, 279464), (100, 209598), (120, 174665), (150, 139732), (181, 115800), (193, 108600), (200, 104799), (300, 69866), (362, 57900), (386, 54300), (543, 38600), (579, 36200), (600, 34933), (724, 28950), (772, 27150), (905, 23160), (965, 21720), (1086, 19300), (1158, 18100), (1448, 14475), (1544, 13575), (1810, 11580), (1930, 10860), (2172, 9650), (2316, 9050), (2715, 7720), (2895, 7240), (3620, 5790), (3860, 5430), (4344, 4825), (4525, 4632)]