20448720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9467}}^1$

素因数の和:9489

約数の個数: 80

約数和(自身を含む): 70441920

約数和(自身を除く): 49993200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9467, 18934, 28401, 37868, 47335, 56802, 75736, 85203, 94670, 113604, 142005, 151472, 170406, 189340, 227208, 255609, 284010, 340812, 378680, 426015, 454416, 511218, 568020, 681624, 757360, 852030, 1022436, 1136040, 1278045, 1363248, 1704060, 2044872, 2272080, 2556090, 3408120, 4089744, 5112180, 6816240, 10224360, 20448720]

約数ペア:

[(1, 20448720), (2, 10224360), (3, 6816240), (4, 5112180), (5, 4089744), (6, 3408120), (8, 2556090), (9, 2272080), (10, 2044872), (12, 1704060), (15, 1363248), (16, 1278045), (18, 1136040), (20, 1022436), (24, 852030), (27, 757360), (30, 681624), (36, 568020), (40, 511218), (45, 454416), (48, 426015), (54, 378680), (60, 340812), (72, 284010), (80, 255609), (90, 227208), (108, 189340), (120, 170406), (135, 151472), (144, 142005), (180, 113604), (216, 94670), (240, 85203), (270, 75736), (360, 56802), (432, 47335), (540, 37868), (720, 28401), (1080, 18934), (2160, 9467)]