20486570625

素因数分解:

$3^5\times 5^4\times {\mathrm{43}}^1\times {\mathrm{3137}}^1$

素因数の和:3215

約数の個数: 120

約数和(自身を含む): 39251660448

約数和(自身を除く): 18765089823

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 81, 125, 129, 135, 215, 225, 243, 375, 387, 405, 625, 645, 675, 1075, 1125, 1161, 1215, 1875, 1935, 2025, 3137, 3225, 3375, 3483, 5375, 5625, 5805, 6075, 9411, 9675, 10125, 10449, 15685, 16125, 16875, 17415, 26875, 28233, 29025, 30375, 47055, 48375, 50625, 52245, 78425, 80625, 84699, 87075, 134891, 141165, 145125, 151875, 235275, 241875, 254097, 261225, 392125, 404673, 423495, 435375, 674455, 705825, 725625, 762291, 1176375, 1214019, 1270485, 1306125, 1960625, 2023365, 2117475, 2176875, 3372275, 3529125, 3642057, 3811455, 5881875, 6070095, 6352425, 6530625, 10116825, 10587375, 10926171, 16861375, 17645625, 18210285, 19057275, 30350475, 31762125, 32778513, 50584125, 52936875, 54630855, 84306875, 91051425, 95286375, 151752375, 158810625, 163892565, 252920625, 273154275, 455257125, 476431875, 758761875, 819462825, 1365771375, 2276285625, 4097314125, 6828856875, 20486570625]

約数ペア:

[(1, 20486570625), (3, 6828856875), (5, 4097314125), (9, 2276285625), (15, 1365771375), (25, 819462825), (27, 758761875), (43, 476431875), (45, 455257125), (75, 273154275), (81, 252920625), (125, 163892565), (129, 158810625), (135, 151752375), (215, 95286375), (225, 91051425), (243, 84306875), (375, 54630855), (387, 52936875), (405, 50584125), (625, 32778513), (645, 31762125), (675, 30350475), (1075, 19057275), (1125, 18210285), (1161, 17645625), (1215, 16861375), (1875, 10926171), (1935, 10587375), (2025, 10116825), (3137, 6530625), (3225, 6352425), (3375, 6070095), (3483, 5881875), (5375, 3811455), (5625, 3642057), (5805, 3529125), (6075, 3372275), (9411, 2176875), (9675, 2117475), (10125, 2023365), (10449, 1960625), (15685, 1306125), (16125, 1270485), (16875, 1214019), (17415, 1176375), (26875, 762291), (28233, 725625), (29025, 705825), (30375, 674455), (47055, 435375), (48375, 423495), (50625, 404673), (52245, 392125), (78425, 261225), (80625, 254097), (84699, 241875), (87075, 235275), (134891, 151875), (141165, 145125)]