20172793390

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:446

約数の個数: 96

約数和(自身を含む): 38468183040

約数和(自身を除く): 18295389650

約数列:

[1, 2, 5, 10, 43, 47, 86, 94, 139, 167, 215, 235, 278, 334, 430, 470, 695, 835, 1390, 1670, 1849, 2021, 3698, 4042, 5977, 6533, 7181, 7849, 9245, 10105, 11954, 13066, 14362, 15698, 18490, 20210, 23213, 29885, 32665, 35905, 39245, 46426, 59770, 65330, 71810, 78490, 86903, 116065, 173806, 232130, 257011, 280919, 308783, 337507, 434515, 514022, 561838, 617566, 675014, 869030, 998159, 1091011, 1285055, 1404595, 1543915, 1687535, 1996318, 2182022, 2570110, 2809190, 3087830, 3375070, 4990795, 5455055, 9981590, 10910110, 12079517, 14512801, 24159034, 29025602, 42920837, 46913473, 60397585, 72564005, 85841674, 93826946, 120795170, 145128010, 214604185, 234567365, 429208370, 469134730, 2017279339, 4034558678, 10086396695, 20172793390]

約数ペア:

[(1, 20172793390), (2, 10086396695), (5, 4034558678), (10, 2017279339), (43, 469134730), (47, 429208370), (86, 234567365), (94, 214604185), (139, 145128010), (167, 120795170), (215, 93826946), (235, 85841674), (278, 72564005), (334, 60397585), (430, 46913473), (470, 42920837), (695, 29025602), (835, 24159034), (1390, 14512801), (1670, 12079517), (1849, 10910110), (2021, 9981590), (3698, 5455055), (4042, 4990795), (5977, 3375070), (6533, 3087830), (7181, 2809190), (7849, 2570110), (9245, 2182022), (10105, 1996318), (11954, 1687535), (13066, 1543915), (14362, 1404595), (15698, 1285055), (18490, 1091011), (20210, 998159), (23213, 869030), (29885, 675014), (32665, 617566), (35905, 561838), (39245, 514022), (46426, 434515), (59770, 337507), (65330, 308783), (71810, 280919), (78490, 257011), (86903, 232130), (116065, 173806)]