20805650930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{22961}}^1$

素因数の和:23115

約数の個数: 64

約数和(自身を含む): 40207380480

約数和(自身を除く): 19401729550

約数列:

[1, 2, 5, 10, 31, 37, 62, 74, 79, 155, 158, 185, 310, 370, 395, 790, 1147, 2294, 2449, 2923, 4898, 5735, 5846, 11470, 12245, 14615, 22961, 24490, 29230, 45922, 90613, 114805, 181226, 229610, 453065, 711791, 849557, 906130, 1423582, 1699114, 1813919, 3558955, 3627838, 4247785, 7117910, 8495570, 9069595, 18139190, 26336267, 52672534, 56231489, 67115003, 112462978, 131681335, 134230006, 263362670, 281157445, 335575015, 562314890, 671150030, 2080565093, 4161130186, 10402825465, 20805650930]

約数ペア:

[(1, 20805650930), (2, 10402825465), (5, 4161130186), (10, 2080565093), (31, 671150030), (37, 562314890), (62, 335575015), (74, 281157445), (79, 263362670), (155, 134230006), (158, 131681335), (185, 112462978), (310, 67115003), (370, 56231489), (395, 52672534), (790, 26336267), (1147, 18139190), (2294, 9069595), (2449, 8495570), (2923, 7117910), (4898, 4247785), (5735, 3627838), (5846, 3558955), (11470, 1813919), (12245, 1699114), (14615, 1423582), (22961, 906130), (24490, 849557), (29230, 711791), (45922, 453065), (90613, 229610), (114805, 181226)]