20792311875

素因数分解:

$3^3\times 5^4\times {\mathrm{37}}^1\times {\mathrm{33301}}^1$

素因数の和:33367

約数の個数: 80

約数和(自身を含む): 39533470240

約数和(自身を除く): 18741158365

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 45, 75, 111, 125, 135, 185, 225, 333, 375, 555, 625, 675, 925, 999, 1125, 1665, 1875, 2775, 3375, 4625, 4995, 5625, 8325, 13875, 16875, 23125, 24975, 33301, 41625, 69375, 99903, 124875, 166505, 208125, 299709, 499515, 624375, 832525, 899127, 1232137, 1498545, 2497575, 3696411, 4162625, 4495635, 6160685, 7492725, 11089233, 12487875, 18482055, 20813125, 22478175, 30803425, 33267699, 37463625, 55446165, 62439375, 92410275, 112390875, 154017125, 166338495, 187318125, 277230825, 462051375, 561954375, 770085625, 831692475, 1386154125, 2310256875, 4158462375, 6930770625, 20792311875]

約数ペア:

[(1, 20792311875), (3, 6930770625), (5, 4158462375), (9, 2310256875), (15, 1386154125), (25, 831692475), (27, 770085625), (37, 561954375), (45, 462051375), (75, 277230825), (111, 187318125), (125, 166338495), (135, 154017125), (185, 112390875), (225, 92410275), (333, 62439375), (375, 55446165), (555, 37463625), (625, 33267699), (675, 30803425), (925, 22478175), (999, 20813125), (1125, 18482055), (1665, 12487875), (1875, 11089233), (2775, 7492725), (3375, 6160685), (4625, 4495635), (4995, 4162625), (5625, 3696411), (8325, 2497575), (13875, 1498545), (16875, 1232137), (23125, 899127), (24975, 832525), (33301, 624375), (41625, 499515), (69375, 299709), (99903, 208125), (124875, 166505)]