20871312

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5647}}^1$

素因数の和:5676

約数の個数: 80

約数和(自身を含む): 67233792

約数和(自身を除く): 46362480

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 77, 84, 88, 112, 132, 154, 168, 176, 231, 264, 308, 336, 462, 528, 616, 924, 1232, 1848, 3696, 5647, 11294, 16941, 22588, 33882, 39529, 45176, 62117, 67764, 79058, 90352, 118587, 124234, 135528, 158116, 186351, 237174, 248468, 271056, 316232, 372702, 434819, 474348, 496936, 632464, 745404, 869638, 948696, 993872, 1304457, 1490808, 1739276, 1897392, 2608914, 2981616, 3478552, 5217828, 6957104, 10435656, 20871312]

約数ペア:

[(1, 20871312), (2, 10435656), (3, 6957104), (4, 5217828), (6, 3478552), (7, 2981616), (8, 2608914), (11, 1897392), (12, 1739276), (14, 1490808), (16, 1304457), (21, 993872), (22, 948696), (24, 869638), (28, 745404), (33, 632464), (42, 496936), (44, 474348), (48, 434819), (56, 372702), (66, 316232), (77, 271056), (84, 248468), (88, 237174), (112, 186351), (132, 158116), (154, 135528), (168, 124234), (176, 118587), (231, 90352), (264, 79058), (308, 67764), (336, 62117), (462, 45176), (528, 39529), (616, 33882), (924, 22588), (1232, 16941), (1848, 11294), (3696, 5647)]