20342970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 56019600

約数和(自身を除く): 35676630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 41, 45, 74, 82, 90, 111, 123, 149, 185, 205, 222, 246, 298, 333, 369, 370, 410, 447, 555, 615, 666, 738, 745, 894, 1110, 1230, 1341, 1490, 1517, 1665, 1845, 2235, 2682, 3034, 3330, 3690, 4470, 4551, 5513, 6109, 6705, 7585, 9102, 11026, 12218, 13410, 13653, 15170, 16539, 18327, 22755, 27306, 27565, 30545, 33078, 36654, 45510, 49617, 54981, 55130, 61090, 68265, 82695, 91635, 99234, 109962, 136530, 165390, 183270, 226033, 248085, 274905, 452066, 496170, 549810, 678099, 1130165, 1356198, 2034297, 2260330, 3390495, 4068594, 6780990, 10171485, 20342970]

約数ペア:

[(1, 20342970), (2, 10171485), (3, 6780990), (5, 4068594), (6, 3390495), (9, 2260330), (10, 2034297), (15, 1356198), (18, 1130165), (30, 678099), (37, 549810), (41, 496170), (45, 452066), (74, 274905), (82, 248085), (90, 226033), (111, 183270), (123, 165390), (149, 136530), (185, 109962), (205, 99234), (222, 91635), (246, 82695), (298, 68265), (333, 61090), (369, 55130), (370, 54981), (410, 49617), (447, 45510), (555, 36654), (615, 33078), (666, 30545), (738, 27565), (745, 27306), (894, 22755), (1110, 18327), (1230, 16539), (1341, 15170), (1490, 13653), (1517, 13410), (1665, 12218), (1845, 11026), (2235, 9102), (2682, 7585), (3034, 6705), (3330, 6109), (3690, 5513), (4470, 4551)]