20892750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 52902720

約数和(自身を除く): 32009970

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 89, 125, 150, 178, 250, 267, 313, 375, 445, 534, 626, 750, 890, 939, 1335, 1565, 1878, 2225, 2670, 3130, 4450, 4695, 6675, 7825, 9390, 11125, 13350, 15650, 22250, 23475, 27857, 33375, 39125, 46950, 55714, 66750, 78250, 83571, 117375, 139285, 167142, 234750, 278570, 417855, 696425, 835710, 1392850, 2089275, 3482125, 4178550, 6964250, 10446375, 20892750]

約数ペア:

[(1, 20892750), (2, 10446375), (3, 6964250), (5, 4178550), (6, 3482125), (10, 2089275), (15, 1392850), (25, 835710), (30, 696425), (50, 417855), (75, 278570), (89, 234750), (125, 167142), (150, 139285), (178, 117375), (250, 83571), (267, 78250), (313, 66750), (375, 55714), (445, 46950), (534, 39125), (626, 33375), (750, 27857), (890, 23475), (939, 22250), (1335, 15650), (1565, 13350), (1878, 11125), (2225, 9390), (2670, 7825), (3130, 6675), (4450, 4695)]