20148180615

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{145511}}^1$

素因数の和:145720

約数の個数: 48

約数和(自身を含む): 37182390336

約数和(自身を除く): 17034209721

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 181, 255, 543, 765, 905, 1629, 2715, 3077, 8145, 9231, 15385, 27693, 46155, 138465, 145511, 436533, 727555, 1309599, 2182665, 2473687, 6547995, 7421061, 12368435, 22263183, 26337491, 37105305, 79012473, 111315915, 131687455, 237037419, 395062365, 447737347, 1185187095, 1343212041, 2238686735, 4029636123, 6716060205, 20148180615]

約数ペア:

[(1, 20148180615), (3, 6716060205), (5, 4029636123), (9, 2238686735), (15, 1343212041), (17, 1185187095), (45, 447737347), (51, 395062365), (85, 237037419), (153, 131687455), (181, 111315915), (255, 79012473), (543, 37105305), (765, 26337491), (905, 22263183), (1629, 12368435), (2715, 7421061), (3077, 6547995), (8145, 2473687), (9231, 2182665), (15385, 1309599), (27693, 727555), (46155, 436533), (138465, 145511)]