20809170

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2083}}^1$

素因数の和:2136

約数の個数: 64

約数和(自身を含む): 57018240

約数和(自身を除く): 36209070

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 270, 333, 370, 555, 666, 999, 1110, 1665, 1998, 2083, 3330, 4166, 4995, 6249, 9990, 10415, 12498, 18747, 20830, 31245, 37494, 56241, 62490, 77071, 93735, 112482, 154142, 187470, 231213, 281205, 385355, 462426, 562410, 693639, 770710, 1156065, 1387278, 2080917, 2312130, 3468195, 4161834, 6936390, 10404585, 20809170]

約数ペア:

[(1, 20809170), (2, 10404585), (3, 6936390), (5, 4161834), (6, 3468195), (9, 2312130), (10, 2080917), (15, 1387278), (18, 1156065), (27, 770710), (30, 693639), (37, 562410), (45, 462426), (54, 385355), (74, 281205), (90, 231213), (111, 187470), (135, 154142), (185, 112482), (222, 93735), (270, 77071), (333, 62490), (370, 56241), (555, 37494), (666, 31245), (999, 20830), (1110, 18747), (1665, 12498), (1998, 10415), (2083, 9990), (3330, 6249), (4166, 4995)]