20195241375

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{15919}}^1$

素因数の和:16153

約数の個数: 64

約数和(自身を含む): 35762688000

約数和(自身を除く): 15567446625

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 199, 255, 375, 425, 597, 995, 1275, 2125, 2985, 3383, 4975, 6375, 10149, 14925, 15919, 16915, 24875, 47757, 50745, 74625, 79595, 84575, 238785, 253725, 270623, 397975, 422875, 811869, 1193925, 1268625, 1353115, 1989875, 3167881, 4059345, 5969625, 6765575, 9503643, 15839405, 20296725, 33827875, 47518215, 53853977, 79197025, 101483625, 161561931, 237591075, 269269885, 395985125, 807809655, 1187955375, 1346349425, 4039048275, 6731747125, 20195241375]

約数ペア:

[(1, 20195241375), (3, 6731747125), (5, 4039048275), (15, 1346349425), (17, 1187955375), (25, 807809655), (51, 395985125), (75, 269269885), (85, 237591075), (125, 161561931), (199, 101483625), (255, 79197025), (375, 53853977), (425, 47518215), (597, 33827875), (995, 20296725), (1275, 15839405), (2125, 9503643), (2985, 6765575), (3383, 5969625), (4975, 4059345), (6375, 3167881), (10149, 1989875), (14925, 1353115), (15919, 1268625), (16915, 1193925), (24875, 811869), (47757, 422875), (50745, 397975), (74625, 270623), (79595, 253725), (84575, 238785)]