19958880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{967}}^1$

素因数の和:1028

約数の個数: 96

約数和(自身を含む): 64399104

約数和(自身を除く): 44440224

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 96, 120, 129, 160, 172, 215, 240, 258, 344, 430, 480, 516, 645, 688, 860, 967, 1032, 1290, 1376, 1720, 1934, 2064, 2580, 2901, 3440, 3868, 4128, 4835, 5160, 5802, 6880, 7736, 9670, 10320, 11604, 14505, 15472, 19340, 20640, 23208, 29010, 30944, 38680, 41581, 46416, 58020, 77360, 83162, 92832, 116040, 124743, 154720, 166324, 207905, 232080, 249486, 332648, 415810, 464160, 498972, 623715, 665296, 831620, 997944, 1247430, 1330592, 1663240, 1995888, 2494860, 3326480, 3991776, 4989720, 6652960, 9979440, 19958880]

約数ペア:

[(1, 19958880), (2, 9979440), (3, 6652960), (4, 4989720), (5, 3991776), (6, 3326480), (8, 2494860), (10, 1995888), (12, 1663240), (15, 1330592), (16, 1247430), (20, 997944), (24, 831620), (30, 665296), (32, 623715), (40, 498972), (43, 464160), (48, 415810), (60, 332648), (80, 249486), (86, 232080), (96, 207905), (120, 166324), (129, 154720), (160, 124743), (172, 116040), (215, 92832), (240, 83162), (258, 77360), (344, 58020), (430, 46416), (480, 41581), (516, 38680), (645, 30944), (688, 29010), (860, 23208), (967, 20640), (1032, 19340), (1290, 15472), (1376, 14505), (1720, 11604), (1934, 10320), (2064, 9670), (2580, 7736), (2901, 6880), (3440, 5802), (3868, 5160), (4128, 4835)]