20941712

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{373}}^1$

素因数の和:432

約数の個数: 60

約数和(自身を含む): 46260060

約数和(自身を除く): 25318348

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 121, 176, 232, 242, 319, 373, 464, 484, 638, 746, 968, 1276, 1492, 1936, 2552, 2984, 3509, 4103, 5104, 5968, 7018, 8206, 10817, 14036, 16412, 21634, 28072, 32824, 43268, 45133, 56144, 65648, 86536, 90266, 118987, 173072, 180532, 237974, 361064, 475948, 722128, 951896, 1308857, 1903792, 2617714, 5235428, 10470856, 20941712]

約数ペア:

[(1, 20941712), (2, 10470856), (4, 5235428), (8, 2617714), (11, 1903792), (16, 1308857), (22, 951896), (29, 722128), (44, 475948), (58, 361064), (88, 237974), (116, 180532), (121, 173072), (176, 118987), (232, 90266), (242, 86536), (319, 65648), (373, 56144), (464, 45133), (484, 43268), (638, 32824), (746, 28072), (968, 21634), (1276, 16412), (1492, 14036), (1936, 10817), (2552, 8206), (2984, 7018), (3509, 5968), (4103, 5104)]