20177456440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3347}}^1\times {\mathrm{5197}}^1$

素因数の和:8584

約数の個数: 64

約数和(自身を含む): 46987840800

約数和(自身を除く): 26810384360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 3347, 5197, 6694, 10394, 13388, 16735, 20788, 25985, 26776, 33470, 41576, 51970, 66940, 97063, 103940, 133880, 150713, 194126, 207880, 301426, 388252, 485315, 602852, 753565, 776504, 970630, 1205704, 1507130, 1941260, 3014260, 3882520, 6028520, 17394359, 34788718, 69577436, 86971795, 139154872, 173943590, 347887180, 504436411, 695774360, 1008872822, 2017745644, 2522182055, 4035491288, 5044364110, 10088728220, 20177456440]

約数ペア:

[(1, 20177456440), (2, 10088728220), (4, 5044364110), (5, 4035491288), (8, 2522182055), (10, 2017745644), (20, 1008872822), (29, 695774360), (40, 504436411), (58, 347887180), (116, 173943590), (145, 139154872), (232, 86971795), (290, 69577436), (580, 34788718), (1160, 17394359), (3347, 6028520), (5197, 3882520), (6694, 3014260), (10394, 1941260), (13388, 1507130), (16735, 1205704), (20788, 970630), (25985, 776504), (26776, 753565), (33470, 602852), (41576, 485315), (51970, 388252), (66940, 301426), (97063, 207880), (103940, 194126), (133880, 150713)]