19704060

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12163}}^1$

素因数の和:12184

約数の個数: 60

約数和(自身を含む): 61817448

約数和(自身を除く): 42113388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12163, 24326, 36489, 48652, 60815, 72978, 109467, 121630, 145956, 182445, 218934, 243260, 328401, 364890, 437868, 547335, 656802, 729780, 985203, 1094670, 1313604, 1642005, 1970406, 2189340, 3284010, 3940812, 4926015, 6568020, 9852030, 19704060]

約数ペア:

[(1, 19704060), (2, 9852030), (3, 6568020), (4, 4926015), (5, 3940812), (6, 3284010), (9, 2189340), (10, 1970406), (12, 1642005), (15, 1313604), (18, 1094670), (20, 985203), (27, 729780), (30, 656802), (36, 547335), (45, 437868), (54, 364890), (60, 328401), (81, 243260), (90, 218934), (108, 182445), (135, 145956), (162, 121630), (180, 109467), (270, 72978), (324, 60815), (405, 48652), (540, 36489), (810, 24326), (1620, 12163)]