20068178840

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{653}}^1\times {\mathrm{7607}}^1$

素因数の和:8372

約数の個数: 64

約数和(自身を含む): 45676301760

約数和(自身を除く): 25608122920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 653, 808, 1010, 1306, 2020, 2612, 3265, 4040, 5224, 6530, 7607, 13060, 15214, 26120, 30428, 38035, 60856, 65953, 76070, 131906, 152140, 263812, 304280, 329765, 527624, 659530, 768307, 1319060, 1536614, 2638120, 3073228, 3841535, 4967371, 6146456, 7683070, 9934742, 15366140, 19869484, 24836855, 30732280, 39738968, 49673710, 99347420, 198694840, 501704471, 1003408942, 2006817884, 2508522355, 4013635768, 5017044710, 10034089420, 20068178840]

約数ペア:

[(1, 20068178840), (2, 10034089420), (4, 5017044710), (5, 4013635768), (8, 2508522355), (10, 2006817884), (20, 1003408942), (40, 501704471), (101, 198694840), (202, 99347420), (404, 49673710), (505, 39738968), (653, 30732280), (808, 24836855), (1010, 19869484), (1306, 15366140), (2020, 9934742), (2612, 7683070), (3265, 6146456), (4040, 4967371), (5224, 3841535), (6530, 3073228), (7607, 2638120), (13060, 1536614), (15214, 1319060), (26120, 768307), (30428, 659530), (38035, 527624), (60856, 329765), (65953, 304280), (76070, 263812), (131906, 152140)]