20893000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{1229}}^1$

素因数の和:1267

約数の個数: 64

約数和(自身を含む): 51807600

約数和(自身を除く): 30914600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 125, 136, 170, 200, 250, 340, 425, 500, 680, 850, 1000, 1229, 1700, 2125, 2458, 3400, 4250, 4916, 6145, 8500, 9832, 12290, 17000, 20893, 24580, 30725, 41786, 49160, 61450, 83572, 104465, 122900, 153625, 167144, 208930, 245800, 307250, 417860, 522325, 614500, 835720, 1044650, 1229000, 2089300, 2611625, 4178600, 5223250, 10446500, 20893000]

約数ペア:

[(1, 20893000), (2, 10446500), (4, 5223250), (5, 4178600), (8, 2611625), (10, 2089300), (17, 1229000), (20, 1044650), (25, 835720), (34, 614500), (40, 522325), (50, 417860), (68, 307250), (85, 245800), (100, 208930), (125, 167144), (136, 153625), (170, 122900), (200, 104465), (250, 83572), (340, 61450), (425, 49160), (500, 41786), (680, 30725), (850, 24580), (1000, 20893), (1229, 17000), (1700, 12290), (2125, 9832), (2458, 8500), (3400, 6145), (4250, 4916)]