20497416

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 54328320

約数和(自身を除く): 33830904

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 71, 92, 138, 142, 184, 213, 276, 284, 426, 523, 552, 568, 852, 1046, 1569, 1633, 1704, 2092, 3138, 3266, 4184, 4899, 6276, 6532, 9798, 12029, 12552, 13064, 19596, 24058, 36087, 37133, 39192, 48116, 72174, 74266, 96232, 111399, 144348, 148532, 222798, 288696, 297064, 445596, 854059, 891192, 1708118, 2562177, 3416236, 5124354, 6832472, 10248708, 20497416]

約数ペア:

[(1, 20497416), (2, 10248708), (3, 6832472), (4, 5124354), (6, 3416236), (8, 2562177), (12, 1708118), (23, 891192), (24, 854059), (46, 445596), (69, 297064), (71, 288696), (92, 222798), (138, 148532), (142, 144348), (184, 111399), (213, 96232), (276, 74266), (284, 72174), (426, 48116), (523, 39192), (552, 37133), (568, 36087), (852, 24058), (1046, 19596), (1569, 13064), (1633, 12552), (1704, 12029), (2092, 9798), (3138, 6532), (3266, 6276), (4184, 4899)]