20650070

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 47721312

約数和(自身を除く): 27071242

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 37, 49, 67, 70, 74, 85, 98, 119, 134, 170, 185, 238, 245, 259, 335, 370, 469, 490, 518, 595, 629, 670, 833, 938, 1139, 1190, 1258, 1295, 1666, 1813, 2278, 2345, 2479, 2590, 3145, 3283, 3626, 4165, 4403, 4690, 4958, 5695, 6290, 6566, 7973, 8330, 8806, 9065, 11390, 12395, 15946, 16415, 17353, 18130, 22015, 24790, 30821, 32830, 34706, 39865, 42143, 44030, 55811, 61642, 79730, 84286, 86765, 111622, 121471, 154105, 173530, 210715, 242942, 279055, 295001, 308210, 421430, 558110, 590002, 607355, 1214710, 1475005, 2065007, 2950010, 4130014, 10325035, 20650070]

約数ペア:

[(1, 20650070), (2, 10325035), (5, 4130014), (7, 2950010), (10, 2065007), (14, 1475005), (17, 1214710), (34, 607355), (35, 590002), (37, 558110), (49, 421430), (67, 308210), (70, 295001), (74, 279055), (85, 242942), (98, 210715), (119, 173530), (134, 154105), (170, 121471), (185, 111622), (238, 86765), (245, 84286), (259, 79730), (335, 61642), (370, 55811), (469, 44030), (490, 42143), (518, 39865), (595, 34706), (629, 32830), (670, 30821), (833, 24790), (938, 22015), (1139, 18130), (1190, 17353), (1258, 16415), (1295, 15946), (1666, 12395), (1813, 11390), (2278, 9065), (2345, 8806), (2479, 8330), (2590, 7973), (3145, 6566), (3283, 6290), (3626, 5695), (4165, 4958), (4403, 4690)]