20400492048

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{25000603}}^1$

素因数の和:25000631

約数の個数: 40

約数和(自身を含む): 55801348128

約数和(自身を除く): 35400856080

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 25000603, 50001206, 75001809, 100002412, 150003618, 200004824, 300007236, 400009648, 425010251, 600014472, 850020502, 1200028944, 1275030753, 1700041004, 2550061506, 3400082008, 5100123012, 6800164016, 10200246024, 20400492048]

約数ペア:

[(1, 20400492048), (2, 10200246024), (3, 6800164016), (4, 5100123012), (6, 3400082008), (8, 2550061506), (12, 1700041004), (16, 1275030753), (17, 1200028944), (24, 850020502), (34, 600014472), (48, 425010251), (51, 400009648), (68, 300007236), (102, 200004824), (136, 150003618), (204, 100002412), (272, 75001809), (408, 50001206), (816, 25000603)]