20201549400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{238789}}^1$

素因数の和:238858

約数の個数: 144

約数和(自身を含む): 69287306400

約数和(自身を除く): 49085757000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 47, 50, 60, 72, 75, 90, 94, 100, 120, 141, 150, 180, 188, 200, 225, 235, 282, 300, 360, 376, 423, 450, 470, 564, 600, 705, 846, 900, 940, 1128, 1175, 1410, 1692, 1800, 1880, 2115, 2350, 2820, 3384, 3525, 4230, 4700, 5640, 7050, 8460, 9400, 10575, 14100, 16920, 21150, 28200, 42300, 84600, 238789, 477578, 716367, 955156, 1193945, 1432734, 1910312, 2149101, 2387890, 2865468, 3581835, 4298202, 4775780, 5730936, 5969725, 7163670, 8596404, 9551560, 10745505, 11223083, 11939450, 14327340, 17192808, 17909175, 21491010, 22446166, 23878900, 28654680, 33669249, 35818350, 42982020, 44892332, 47757800, 53727525, 56115415, 67338498, 71636700, 85964040, 89784664, 101007747, 107455050, 112230830, 134676996, 143273400, 168346245, 202015494, 214910100, 224461660, 269353992, 280577075, 336692490, 404030988, 429820200, 448923320, 505038735, 561154150, 673384980, 808061976, 841731225, 1010077470, 1122308300, 1346769960, 1683462450, 2020154940, 2244616600, 2525193675, 3366924900, 4040309880, 5050387350, 6733849800, 10100774700, 20201549400]

約数ペア:

[(1, 20201549400), (2, 10100774700), (3, 6733849800), (4, 5050387350), (5, 4040309880), (6, 3366924900), (8, 2525193675), (9, 2244616600), (10, 2020154940), (12, 1683462450), (15, 1346769960), (18, 1122308300), (20, 1010077470), (24, 841731225), (25, 808061976), (30, 673384980), (36, 561154150), (40, 505038735), (45, 448923320), (47, 429820200), (50, 404030988), (60, 336692490), (72, 280577075), (75, 269353992), (90, 224461660), (94, 214910100), (100, 202015494), (120, 168346245), (141, 143273400), (150, 134676996), (180, 112230830), (188, 107455050), (200, 101007747), (225, 89784664), (235, 85964040), (282, 71636700), (300, 67338498), (360, 56115415), (376, 53727525), (423, 47757800), (450, 44892332), (470, 42982020), (564, 35818350), (600, 33669249), (705, 28654680), (846, 23878900), (900, 22446166), (940, 21491010), (1128, 17909175), (1175, 17192808), (1410, 14327340), (1692, 11939450), (1800, 11223083), (1880, 10745505), (2115, 9551560), (2350, 8596404), (2820, 7163670), (3384, 5969725), (3525, 5730936), (4230, 4775780), (4700, 4298202), (5640, 3581835), (7050, 2865468), (8460, 2387890), (9400, 2149101), (10575, 1910312), (14100, 1432734), (16920, 1193945), (21150, 955156), (28200, 716367), (42300, 477578), (84600, 238789)]