20194704375

素因数分解:

$3^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{7937}}^1$

素因数の和:8042

約数の個数: 80

約数和(自身を含む): 35709569280

約数和(自身を除く): 15514864905

約数列:

[1, 3, 5, 15, 23, 25, 59, 69, 75, 115, 125, 177, 295, 345, 375, 575, 625, 885, 1357, 1475, 1725, 1875, 2875, 4071, 4425, 6785, 7375, 7937, 8625, 14375, 20355, 22125, 23811, 33925, 36875, 39685, 43125, 101775, 110625, 119055, 169625, 182551, 198425, 468283, 508875, 547653, 595275, 848125, 912755, 992125, 1404849, 2341415, 2544375, 2738265, 2976375, 4563775, 4960625, 7024245, 10770509, 11707075, 13691325, 14881875, 22818875, 32311527, 35121225, 53852545, 58535375, 68456625, 114094375, 161557635, 175606125, 269262725, 292676875, 342283125, 807788175, 878030625, 1346313625, 4038940875, 6731568125, 20194704375]

約数ペア:

[(1, 20194704375), (3, 6731568125), (5, 4038940875), (15, 1346313625), (23, 878030625), (25, 807788175), (59, 342283125), (69, 292676875), (75, 269262725), (115, 175606125), (125, 161557635), (177, 114094375), (295, 68456625), (345, 58535375), (375, 53852545), (575, 35121225), (625, 32311527), (885, 22818875), (1357, 14881875), (1475, 13691325), (1725, 11707075), (1875, 10770509), (2875, 7024245), (4071, 4960625), (4425, 4563775), (6785, 2976375), (7375, 2738265), (7937, 2544375), (8625, 2341415), (14375, 1404849), (20355, 992125), (22125, 912755), (23811, 848125), (33925, 595275), (36875, 547653), (39685, 508875), (43125, 468283), (101775, 198425), (110625, 182551), (119055, 169625)]