20950125

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 41693184

約数和(自身を除く): 20743059

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 105, 115, 125, 161, 175, 345, 347, 375, 483, 525, 575, 805, 875, 1041, 1725, 1735, 2415, 2429, 2625, 2875, 4025, 5205, 7287, 7981, 8625, 8675, 12075, 12145, 20125, 23943, 26025, 36435, 39905, 43375, 55867, 60375, 60725, 119715, 130125, 167601, 182175, 199525, 279335, 303625, 598575, 838005, 910875, 997625, 1396675, 2992875, 4190025, 6983375, 20950125]

約数ペア:

[(1, 20950125), (3, 6983375), (5, 4190025), (7, 2992875), (15, 1396675), (21, 997625), (23, 910875), (25, 838005), (35, 598575), (69, 303625), (75, 279335), (105, 199525), (115, 182175), (125, 167601), (161, 130125), (175, 119715), (345, 60725), (347, 60375), (375, 55867), (483, 43375), (525, 39905), (575, 36435), (805, 26025), (875, 23943), (1041, 20125), (1725, 12145), (1735, 12075), (2415, 8675), (2429, 8625), (2625, 7981), (2875, 7287), (4025, 5205)]