20572980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8363}}^1$

素因数の和:8416

約数の個数: 48

約数和(自身を含む): 59016384

約数和(自身を除く): 38443404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8363, 16726, 25089, 33452, 41815, 50178, 83630, 100356, 125445, 167260, 250890, 342883, 501780, 685766, 1028649, 1371532, 1714415, 2057298, 3428830, 4114596, 5143245, 6857660, 10286490, 20572980]

約数ペア:

[(1, 20572980), (2, 10286490), (3, 6857660), (4, 5143245), (5, 4114596), (6, 3428830), (10, 2057298), (12, 1714415), (15, 1371532), (20, 1028649), (30, 685766), (41, 501780), (60, 342883), (82, 250890), (123, 167260), (164, 125445), (205, 100356), (246, 83630), (410, 50178), (492, 41815), (615, 33452), (820, 25089), (1230, 16726), (2460, 8363)]