20258210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1153}}^1$

素因数の和:1418

約数の個数: 32

約数和(自身を含む): 41876352

約数和(自身を除く): 21618142

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 251, 502, 1153, 1255, 1757, 2306, 2510, 3514, 5765, 8071, 8785, 11530, 16142, 17570, 40355, 80710, 289403, 578806, 1447015, 2025821, 2894030, 4051642, 10129105, 20258210]

約数ペア:

[(1, 20258210), (2, 10129105), (5, 4051642), (7, 2894030), (10, 2025821), (14, 1447015), (35, 578806), (70, 289403), (251, 80710), (502, 40355), (1153, 17570), (1255, 16142), (1757, 11530), (2306, 8785), (2510, 8071), (3514, 5765)]