20411850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{3319}}^1$

素因数の和:3375

約数の個数: 48

約数和(自身を含む): 51871680

約数和(自身を除く): 31459830

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 41, 50, 75, 82, 123, 150, 205, 246, 410, 615, 1025, 1230, 2050, 3075, 3319, 6150, 6638, 9957, 16595, 19914, 33190, 49785, 82975, 99570, 136079, 165950, 248925, 272158, 408237, 497850, 680395, 816474, 1360790, 2041185, 3401975, 4082370, 6803950, 10205925, 20411850]

約数ペア:

[(1, 20411850), (2, 10205925), (3, 6803950), (5, 4082370), (6, 3401975), (10, 2041185), (15, 1360790), (25, 816474), (30, 680395), (41, 497850), (50, 408237), (75, 272158), (82, 248925), (123, 165950), (150, 136079), (205, 99570), (246, 82975), (410, 49785), (615, 33190), (1025, 19914), (1230, 16595), (2050, 9957), (3075, 6638), (3319, 6150)]