20775070

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 38361600

約数和(自身を除く): 17586530

約数列:

[1, 2, 5, 10, 73, 146, 149, 191, 298, 365, 382, 730, 745, 955, 1490, 1910, 10877, 13943, 21754, 27886, 28459, 54385, 56918, 69715, 108770, 139430, 142295, 284590, 2077507, 4155014, 10387535, 20775070]

約数ペア:

[(1, 20775070), (2, 10387535), (5, 4155014), (10, 2077507), (73, 284590), (146, 142295), (149, 139430), (191, 108770), (298, 69715), (365, 56918), (382, 54385), (730, 28459), (745, 27886), (955, 21754), (1490, 13943), (1910, 10877)]