20461140

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{5413}}^1$

素因数の和:5438

約数の個数: 96

約数和(自身を含む): 72764160

約数和(自身を除く): 52303020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 5413, 10826, 16239, 21652, 27065, 32478, 37891, 48717, 54130, 64956, 75782, 81195, 97434, 108260, 113673, 146151, 151564, 162390, 189455, 194868, 227346, 243585, 292302, 324780, 341019, 378910, 454692, 487170, 568365, 584604, 682038, 730755, 757820, 974340, 1023057, 1136730, 1364076, 1461510, 1705095, 2046114, 2273460, 2923020, 3410190, 4092228, 5115285, 6820380, 10230570, 20461140]

約数ペア:

[(1, 20461140), (2, 10230570), (3, 6820380), (4, 5115285), (5, 4092228), (6, 3410190), (7, 2923020), (9, 2273460), (10, 2046114), (12, 1705095), (14, 1461510), (15, 1364076), (18, 1136730), (20, 1023057), (21, 974340), (27, 757820), (28, 730755), (30, 682038), (35, 584604), (36, 568365), (42, 487170), (45, 454692), (54, 378910), (60, 341019), (63, 324780), (70, 292302), (84, 243585), (90, 227346), (105, 194868), (108, 189455), (126, 162390), (135, 151564), (140, 146151), (180, 113673), (189, 108260), (210, 97434), (252, 81195), (270, 75782), (315, 64956), (378, 54130), (420, 48717), (540, 37891), (630, 32478), (756, 27065), (945, 21652), (1260, 16239), (1890, 10826), (3780, 5413)]