20216292005

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7309}}^1\times {\mathrm{6079}}^1$

素因数の和:13413

約数の個数: 32

約数和(自身を含む): 29866905600

約数和(自身を除く): 9650613595

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 6079, 7309, 30395, 36545, 42553, 51163, 79027, 95017, 212765, 255815, 395135, 475085, 553189, 665119, 2765945, 3325595, 44431411, 222157055, 311019877, 577608343, 1555099385, 2888041715, 4043258401, 20216292005]

約数ペア:

[(1, 20216292005), (5, 4043258401), (7, 2888041715), (13, 1555099385), (35, 577608343), (65, 311019877), (91, 222157055), (455, 44431411), (6079, 3325595), (7309, 2765945), (30395, 665119), (36545, 553189), (42553, 475085), (51163, 395135), (79027, 255815), (95017, 212765)]