20218757325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{30631}}^1$

素因数の和:31334

約数の個数: 48

約数和(自身を含む): 36054109056

約数和(自身を除く): 15835351731

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 677, 975, 2031, 3385, 8801, 10155, 16925, 26403, 30631, 44005, 50775, 91893, 132015, 153155, 220025, 398203, 459465, 660075, 765775, 1194609, 1991015, 2297325, 5973045, 9955075, 20737187, 29865225, 62211561, 103685935, 269583431, 311057805, 518429675, 808750293, 1347917155, 1555289025, 4043751465, 6739585775, 20218757325]

約数ペア:

[(1, 20218757325), (3, 6739585775), (5, 4043751465), (13, 1555289025), (15, 1347917155), (25, 808750293), (39, 518429675), (65, 311057805), (75, 269583431), (195, 103685935), (325, 62211561), (677, 29865225), (975, 20737187), (2031, 9955075), (3385, 5973045), (8801, 2297325), (10155, 1991015), (16925, 1194609), (26403, 765775), (30631, 660075), (44005, 459465), (50775, 398203), (91893, 220025), (132015, 153155)]