20165660872

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{37189}}^1$

素因数の和:37646

約数の個数: 64

約数和(自身を含む): 45199238400

約数和(自身を除く): 25033577528

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 421, 644, 842, 1288, 1684, 2947, 3368, 5894, 9683, 11788, 19366, 23576, 37189, 38732, 67781, 74378, 77464, 135562, 148756, 260323, 271124, 297512, 520646, 542248, 855347, 1041292, 1710694, 2082584, 3421388, 5987429, 6842776, 11974858, 15656569, 23949716, 31313138, 47899432, 62626276, 109595983, 125252552, 219191966, 360101087, 438383932, 720202174, 876767864, 1440404348, 2520707609, 2880808696, 5041415218, 10082830436, 20165660872]

約数ペア:

[(1, 20165660872), (2, 10082830436), (4, 5041415218), (7, 2880808696), (8, 2520707609), (14, 1440404348), (23, 876767864), (28, 720202174), (46, 438383932), (56, 360101087), (92, 219191966), (161, 125252552), (184, 109595983), (322, 62626276), (421, 47899432), (644, 31313138), (842, 23949716), (1288, 15656569), (1684, 11974858), (2947, 6842776), (3368, 5987429), (5894, 3421388), (9683, 2082584), (11788, 1710694), (19366, 1041292), (23576, 855347), (37189, 542248), (38732, 520646), (67781, 297512), (74378, 271124), (77464, 260323), (135562, 148756)]