20225625

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:120

約数の個数: 80

約数和(自身を含む): 40786944

約数和(自身を除く): 20561319

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 67, 69, 75, 105, 115, 125, 161, 175, 201, 335, 345, 375, 469, 483, 525, 575, 625, 805, 875, 1005, 1407, 1541, 1675, 1725, 1875, 2345, 2415, 2625, 2875, 4025, 4375, 4623, 5025, 7035, 7705, 8375, 8625, 10787, 11725, 12075, 13125, 14375, 20125, 23115, 25125, 32361, 35175, 38525, 41875, 43125, 53935, 58625, 60375, 100625, 115575, 125625, 161805, 175875, 192625, 269675, 293125, 301875, 577875, 809025, 879375, 963125, 1348375, 2889375, 4045125, 6741875, 20225625]

約数ペア:

[(1, 20225625), (3, 6741875), (5, 4045125), (7, 2889375), (15, 1348375), (21, 963125), (23, 879375), (25, 809025), (35, 577875), (67, 301875), (69, 293125), (75, 269675), (105, 192625), (115, 175875), (125, 161805), (161, 125625), (175, 115575), (201, 100625), (335, 60375), (345, 58625), (375, 53935), (469, 43125), (483, 41875), (525, 38525), (575, 35175), (625, 32361), (805, 25125), (875, 23115), (1005, 20125), (1407, 14375), (1541, 13125), (1675, 12075), (1725, 11725), (1875, 10787), (2345, 8625), (2415, 8375), (2625, 7705), (2875, 7035), (4025, 5025), (4375, 4623)]