20208870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:310

約数の個数: 96

約数和(自身を含む): 58125600

約数和(自身を除く): 37916730

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 137, 149, 165, 198, 274, 298, 330, 411, 447, 495, 685, 745, 822, 894, 990, 1233, 1341, 1370, 1490, 1507, 1639, 2055, 2235, 2466, 2682, 3014, 3278, 4110, 4470, 4521, 4917, 6165, 6705, 7535, 8195, 9042, 9834, 12330, 13410, 13563, 14751, 15070, 16390, 20413, 22605, 24585, 27126, 29502, 40826, 45210, 49170, 61239, 67815, 73755, 102065, 122478, 135630, 147510, 183717, 204130, 224543, 306195, 367434, 449086, 612390, 673629, 918585, 1122715, 1347258, 1837170, 2020887, 2245430, 3368145, 4041774, 6736290, 10104435, 20208870]

約数ペア:

[(1, 20208870), (2, 10104435), (3, 6736290), (5, 4041774), (6, 3368145), (9, 2245430), (10, 2020887), (11, 1837170), (15, 1347258), (18, 1122715), (22, 918585), (30, 673629), (33, 612390), (45, 449086), (55, 367434), (66, 306195), (90, 224543), (99, 204130), (110, 183717), (137, 147510), (149, 135630), (165, 122478), (198, 102065), (274, 73755), (298, 67815), (330, 61239), (411, 49170), (447, 45210), (495, 40826), (685, 29502), (745, 27126), (822, 24585), (894, 22605), (990, 20413), (1233, 16390), (1341, 15070), (1370, 14751), (1490, 13563), (1507, 13410), (1639, 12330), (2055, 9834), (2235, 9042), (2466, 8195), (2682, 7535), (3014, 6705), (3278, 6165), (4110, 4917), (4470, 4521)]