20012190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 54583200

約数和(自身を除く): 34571010

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 37, 55, 66, 74, 110, 111, 121, 149, 165, 185, 222, 242, 298, 330, 363, 370, 407, 447, 555, 605, 726, 745, 814, 894, 1110, 1210, 1221, 1490, 1639, 1815, 2035, 2235, 2442, 3278, 3630, 4070, 4470, 4477, 4917, 5513, 6105, 8195, 8954, 9834, 11026, 12210, 13431, 16390, 16539, 18029, 22385, 24585, 26862, 27565, 33078, 36058, 44770, 49170, 54087, 55130, 60643, 67155, 82695, 90145, 108174, 121286, 134310, 165390, 180290, 181929, 270435, 303215, 363858, 540870, 606430, 667073, 909645, 1334146, 1819290, 2001219, 3335365, 4002438, 6670730, 10006095, 20012190]

約数ペア:

[(1, 20012190), (2, 10006095), (3, 6670730), (5, 4002438), (6, 3335365), (10, 2001219), (11, 1819290), (15, 1334146), (22, 909645), (30, 667073), (33, 606430), (37, 540870), (55, 363858), (66, 303215), (74, 270435), (110, 181929), (111, 180290), (121, 165390), (149, 134310), (165, 121286), (185, 108174), (222, 90145), (242, 82695), (298, 67155), (330, 60643), (363, 55130), (370, 54087), (407, 49170), (447, 44770), (555, 36058), (605, 33078), (726, 27565), (745, 26862), (814, 24585), (894, 22385), (1110, 18029), (1210, 16539), (1221, 16390), (1490, 13431), (1639, 12210), (1815, 11026), (2035, 9834), (2235, 8954), (2442, 8195), (3278, 6105), (3630, 5513), (4070, 4917), (4470, 4477)]