20587070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{673}}^1$

素因数の和:729

約数の個数: 64

約数和(自身を含む): 46586880

約数和(自身を除く): 25999810

約数列:

[1, 2, 5, 7, 10, 14, 19, 23, 35, 38, 46, 70, 95, 115, 133, 161, 190, 230, 266, 322, 437, 665, 673, 805, 874, 1330, 1346, 1610, 2185, 3059, 3365, 4370, 4711, 6118, 6730, 9422, 12787, 15295, 15479, 23555, 25574, 30590, 30958, 47110, 63935, 77395, 89509, 108353, 127870, 154790, 179018, 216706, 294101, 447545, 541765, 588202, 895090, 1083530, 1470505, 2058707, 2941010, 4117414, 10293535, 20587070]

約数ペア:

[(1, 20587070), (2, 10293535), (5, 4117414), (7, 2941010), (10, 2058707), (14, 1470505), (19, 1083530), (23, 895090), (35, 588202), (38, 541765), (46, 447545), (70, 294101), (95, 216706), (115, 179018), (133, 154790), (161, 127870), (190, 108353), (230, 89509), (266, 77395), (322, 63935), (437, 47110), (665, 30958), (673, 30590), (805, 25574), (874, 23555), (1330, 15479), (1346, 15295), (1610, 12787), (2185, 9422), (3059, 6730), (3365, 6118), (4370, 4711)]