201021730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{220903}}^1$

素因数の和:220930

約数の個数: 32

約数和(自身を含む): 445342464

約数和(自身を除く): 244320734

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 220903, 441806, 1104515, 1546321, 2209030, 2871739, 3092642, 5743478, 7731605, 14358695, 15463210, 20102173, 28717390, 40204346, 100510865, 201021730]

約数ペア:

[(1, 201021730), (2, 100510865), (5, 40204346), (7, 28717390), (10, 20102173), (13, 15463210), (14, 14358695), (26, 7731605), (35, 5743478), (65, 3092642), (70, 2871739), (91, 2209030), (130, 1546321), (182, 1104515), (455, 441806), (910, 220903)]