20725416

素因数分解:

$2^3\times 3^3\times {\mathrm{229}}^1\times {\mathrm{419}}^1$

素因数の和:663

約数の個数: 64

約数和(自身を含む): 57960000

約数和(自身を除く): 37234584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 229, 419, 458, 687, 838, 916, 1257, 1374, 1676, 1832, 2061, 2514, 2748, 3352, 3771, 4122, 5028, 5496, 6183, 7542, 8244, 10056, 11313, 12366, 15084, 16488, 22626, 24732, 30168, 45252, 49464, 90504, 95951, 191902, 287853, 383804, 575706, 767608, 863559, 1151412, 1727118, 2302824, 2590677, 3454236, 5181354, 6908472, 10362708, 20725416]

約数ペア:

[(1, 20725416), (2, 10362708), (3, 6908472), (4, 5181354), (6, 3454236), (8, 2590677), (9, 2302824), (12, 1727118), (18, 1151412), (24, 863559), (27, 767608), (36, 575706), (54, 383804), (72, 287853), (108, 191902), (216, 95951), (229, 90504), (419, 49464), (458, 45252), (687, 30168), (838, 24732), (916, 22626), (1257, 16488), (1374, 15084), (1676, 12366), (1832, 11313), (2061, 10056), (2514, 8244), (2748, 7542), (3352, 6183), (3771, 5496), (4122, 5028)]