20580390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3413}}^1$

素因数の和:3493

約数の個数: 48

約数和(自身を含む): 54323568

約数和(自身を除く): 33743178

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 67, 90, 134, 201, 335, 402, 603, 670, 1005, 1206, 2010, 3015, 3413, 6030, 6826, 10239, 17065, 20478, 30717, 34130, 51195, 61434, 102390, 153585, 228671, 307170, 457342, 686013, 1143355, 1372026, 2058039, 2286710, 3430065, 4116078, 6860130, 10290195, 20580390]

約数ペア:

[(1, 20580390), (2, 10290195), (3, 6860130), (5, 4116078), (6, 3430065), (9, 2286710), (10, 2058039), (15, 1372026), (18, 1143355), (30, 686013), (45, 457342), (67, 307170), (90, 228671), (134, 153585), (201, 102390), (335, 61434), (402, 51195), (603, 34130), (670, 30717), (1005, 20478), (1206, 17065), (2010, 10239), (3015, 6826), (3413, 6030)]