20804927625

素因数分解:

$3^3\times 5^3\times {\mathrm{199}}^1\times {\mathrm{30977}}^1$

素因数の和:31200

約数の個数: 64

約数和(自身を含む): 38660544000

約数和(自身を除く): 17855616375

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 199, 225, 375, 597, 675, 995, 1125, 1791, 2985, 3375, 4975, 5373, 8955, 14925, 24875, 26865, 30977, 44775, 74625, 92931, 134325, 154885, 223875, 278793, 464655, 671625, 774425, 836379, 1393965, 2323275, 3872125, 4181895, 6164423, 6969825, 11616375, 18493269, 20909475, 30822115, 34849125, 55479807, 92466345, 104547375, 154110575, 166439421, 277399035, 462331725, 770552875, 832197105, 1386995175, 2311658625, 4160985525, 6934975875, 20804927625]

約数ペア:

[(1, 20804927625), (3, 6934975875), (5, 4160985525), (9, 2311658625), (15, 1386995175), (25, 832197105), (27, 770552875), (45, 462331725), (75, 277399035), (125, 166439421), (135, 154110575), (199, 104547375), (225, 92466345), (375, 55479807), (597, 34849125), (675, 30822115), (995, 20909475), (1125, 18493269), (1791, 11616375), (2985, 6969825), (3375, 6164423), (4975, 4181895), (5373, 3872125), (8955, 2323275), (14925, 1393965), (24875, 836379), (26865, 774425), (30977, 671625), (44775, 464655), (74625, 278793), (92931, 223875), (134325, 154885)]