20183800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1109}}^1$

素因数の和:1145

約数の個数: 96

約数和(自身を含む): 57808800

約数和(自身を除く): 37625000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 130, 140, 175, 182, 200, 260, 280, 325, 350, 364, 455, 520, 650, 700, 728, 910, 1109, 1300, 1400, 1820, 2218, 2275, 2600, 3640, 4436, 4550, 5545, 7763, 8872, 9100, 11090, 14417, 15526, 18200, 22180, 27725, 28834, 31052, 38815, 44360, 55450, 57668, 62104, 72085, 77630, 100919, 110900, 115336, 144170, 155260, 194075, 201838, 221800, 288340, 310520, 360425, 388150, 403676, 504595, 576680, 720850, 776300, 807352, 1009190, 1441700, 1552600, 2018380, 2522975, 2883400, 4036760, 5045950, 10091900, 20183800]

約数ペア:

[(1, 20183800), (2, 10091900), (4, 5045950), (5, 4036760), (7, 2883400), (8, 2522975), (10, 2018380), (13, 1552600), (14, 1441700), (20, 1009190), (25, 807352), (26, 776300), (28, 720850), (35, 576680), (40, 504595), (50, 403676), (52, 388150), (56, 360425), (65, 310520), (70, 288340), (91, 221800), (100, 201838), (104, 194075), (130, 155260), (140, 144170), (175, 115336), (182, 110900), (200, 100919), (260, 77630), (280, 72085), (325, 62104), (350, 57668), (364, 55450), (455, 44360), (520, 38815), (650, 31052), (700, 28834), (728, 27725), (910, 22180), (1109, 18200), (1300, 15526), (1400, 14417), (1820, 11090), (2218, 9100), (2275, 8872), (2600, 7763), (3640, 5545), (4436, 4550)]