20396610

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1$

素因数の和:194

約数の個数: 120

約数和(自身を含む): 59786100

約数和(自身を除く): 39389490

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 149, 162, 169, 195, 234, 270, 298, 338, 351, 390, 405, 447, 507, 585, 702, 745, 810, 845, 894, 1014, 1053, 1170, 1341, 1490, 1521, 1690, 1755, 1937, 2106, 2235, 2535, 2682, 3042, 3510, 3874, 4023, 4470, 4563, 5070, 5265, 5811, 6705, 7605, 8046, 9126, 9685, 10530, 11622, 12069, 13410, 13689, 15210, 17433, 19370, 20115, 22815, 24138, 25181, 27378, 29055, 34866, 40230, 45630, 50362, 52299, 58110, 60345, 68445, 75543, 87165, 104598, 120690, 125905, 136890, 151086, 156897, 174330, 226629, 251810, 261495, 313794, 377715, 453258, 522990, 679887, 755430, 784485, 1133145, 1359774, 1568970, 2039661, 2266290, 3399435, 4079322, 6798870, 10198305, 20396610]

約数ペア:

[(1, 20396610), (2, 10198305), (3, 6798870), (5, 4079322), (6, 3399435), (9, 2266290), (10, 2039661), (13, 1568970), (15, 1359774), (18, 1133145), (26, 784485), (27, 755430), (30, 679887), (39, 522990), (45, 453258), (54, 377715), (65, 313794), (78, 261495), (81, 251810), (90, 226629), (117, 174330), (130, 156897), (135, 151086), (149, 136890), (162, 125905), (169, 120690), (195, 104598), (234, 87165), (270, 75543), (298, 68445), (338, 60345), (351, 58110), (390, 52299), (405, 50362), (447, 45630), (507, 40230), (585, 34866), (702, 29055), (745, 27378), (810, 25181), (845, 24138), (894, 22815), (1014, 20115), (1053, 19370), (1170, 17433), (1341, 15210), (1490, 13689), (1521, 13410), (1690, 12069), (1755, 11622), (1937, 10530), (2106, 9685), (2235, 9126), (2535, 8046), (2682, 7605), (3042, 6705), (3510, 5811), (3874, 5265), (4023, 5070), (4470, 4563)]