20429175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{911}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 37997568

約数和(自身を除く): 17568393

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 195, 299, 325, 345, 575, 897, 911, 975, 1495, 1725, 2733, 4485, 4555, 7475, 11843, 13665, 20953, 22425, 22775, 35529, 59215, 62859, 68325, 104765, 177645, 272389, 296075, 314295, 523825, 817167, 888225, 1361945, 1571475, 4085835, 6809725, 20429175]

約数ペア:

[(1, 20429175), (3, 6809725), (5, 4085835), (13, 1571475), (15, 1361945), (23, 888225), (25, 817167), (39, 523825), (65, 314295), (69, 296075), (75, 272389), (115, 177645), (195, 104765), (299, 68325), (325, 62859), (345, 59215), (575, 35529), (897, 22775), (911, 22425), (975, 20953), (1495, 13665), (1725, 11843), (2733, 7475), (4485, 4555)]