20588489908

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{33391}}^1$

素因数の和:33501

約数の個数: 72

約数和(自身を含む): 44172006144

約数和(自身を除く): 23583516236

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 61, 76, 122, 133, 244, 266, 361, 427, 532, 722, 854, 1159, 1444, 1708, 2318, 2527, 4636, 5054, 8113, 10108, 16226, 22021, 32452, 33391, 44042, 66782, 88084, 133564, 154147, 233737, 308294, 467474, 616588, 634429, 934948, 1268858, 2036851, 2537716, 4073702, 4441003, 8147404, 8882006, 12054151, 14257957, 17764012, 24108302, 28515914, 38700169, 48216604, 57031828, 77400338, 84379057, 154800676, 168758114, 270901183, 337516228, 541802366, 735303211, 1083604732, 1470606422, 2941212844, 5147122477, 10294244954, 20588489908]

約数ペア:

[(1, 20588489908), (2, 10294244954), (4, 5147122477), (7, 2941212844), (14, 1470606422), (19, 1083604732), (28, 735303211), (38, 541802366), (61, 337516228), (76, 270901183), (122, 168758114), (133, 154800676), (244, 84379057), (266, 77400338), (361, 57031828), (427, 48216604), (532, 38700169), (722, 28515914), (854, 24108302), (1159, 17764012), (1444, 14257957), (1708, 12054151), (2318, 8882006), (2527, 8147404), (4636, 4441003), (5054, 4073702), (8113, 2537716), (10108, 2036851), (16226, 1268858), (22021, 934948), (32452, 634429), (33391, 616588), (44042, 467474), (66782, 308294), (88084, 233737), (133564, 154147)]