20712528

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{8461}}^1$

素因数の和:8492

約数の個数: 60

約数和(自身を含む): 61383348

約数和(自身を除く): 40670820

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 272, 306, 408, 612, 816, 1224, 2448, 8461, 16922, 25383, 33844, 50766, 67688, 76149, 101532, 135376, 143837, 152298, 203064, 287674, 304596, 406128, 431511, 575348, 609192, 863022, 1150696, 1218384, 1294533, 1726044, 2301392, 2589066, 3452088, 5178132, 6904176, 10356264, 20712528]

約数ペア:

[(1, 20712528), (2, 10356264), (3, 6904176), (4, 5178132), (6, 3452088), (8, 2589066), (9, 2301392), (12, 1726044), (16, 1294533), (17, 1218384), (18, 1150696), (24, 863022), (34, 609192), (36, 575348), (48, 431511), (51, 406128), (68, 304596), (72, 287674), (102, 203064), (136, 152298), (144, 143837), (153, 135376), (204, 101532), (272, 76149), (306, 67688), (408, 50766), (612, 33844), (816, 25383), (1224, 16922), (2448, 8461)]