20131656

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^2\times {\mathrm{499}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 51690000

約数和(自身を除く): 31558344

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 499, 984, 998, 1497, 1681, 1996, 2994, 3362, 3992, 5043, 5988, 6724, 10086, 11976, 13448, 20172, 20459, 40344, 40918, 61377, 81836, 122754, 163672, 245508, 491016, 838819, 1677638, 2516457, 3355276, 5032914, 6710552, 10065828, 20131656]

約数ペア:

[(1, 20131656), (2, 10065828), (3, 6710552), (4, 5032914), (6, 3355276), (8, 2516457), (12, 1677638), (24, 838819), (41, 491016), (82, 245508), (123, 163672), (164, 122754), (246, 81836), (328, 61377), (492, 40918), (499, 40344), (984, 20459), (998, 20172), (1497, 13448), (1681, 11976), (1996, 10086), (2994, 6724), (3362, 5988), (3992, 5043)]