20506110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 52005888

約数和(自身を除く): 31499778

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 113, 115, 138, 226, 230, 263, 339, 345, 526, 565, 678, 690, 789, 1130, 1315, 1578, 1695, 2599, 2630, 3390, 3945, 5198, 6049, 7797, 7890, 12098, 12995, 15594, 18147, 25990, 29719, 30245, 36294, 38985, 59438, 60490, 77970, 89157, 90735, 148595, 178314, 181470, 297190, 445785, 683537, 891570, 1367074, 2050611, 3417685, 4101222, 6835370, 10253055, 20506110]

約数ペア:

[(1, 20506110), (2, 10253055), (3, 6835370), (5, 4101222), (6, 3417685), (10, 2050611), (15, 1367074), (23, 891570), (30, 683537), (46, 445785), (69, 297190), (113, 181470), (115, 178314), (138, 148595), (226, 90735), (230, 89157), (263, 77970), (339, 60490), (345, 59438), (526, 38985), (565, 36294), (678, 30245), (690, 29719), (789, 25990), (1130, 18147), (1315, 15594), (1578, 12995), (1695, 12098), (2599, 7890), (2630, 7797), (3390, 6049), (3945, 5198)]