20154225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2953}}^1$

素因数の和:2986

約数の個数: 48

約数和(自身を含む): 41025152

約数和(自身を除く): 20870927

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 175, 195, 273, 325, 455, 525, 975, 1365, 2275, 2953, 6825, 8859, 14765, 20671, 38389, 44295, 62013, 73825, 103355, 115167, 191945, 221475, 268723, 310065, 516775, 575835, 806169, 959725, 1343615, 1550325, 2879175, 4030845, 6718075, 20154225]

約数ペア:

[(1, 20154225), (3, 6718075), (5, 4030845), (7, 2879175), (13, 1550325), (15, 1343615), (21, 959725), (25, 806169), (35, 575835), (39, 516775), (65, 310065), (75, 268723), (91, 221475), (105, 191945), (175, 115167), (195, 103355), (273, 73825), (325, 62013), (455, 44295), (525, 38389), (975, 20671), (1365, 14765), (2275, 8859), (2953, 6825)]