20868360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7561}}^1$

素因数の和:7598

約数の個数: 64

約数和(自身を含む): 65335680

約数和(自身を除く): 44467320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7561, 15122, 22683, 30244, 37805, 45366, 60488, 75610, 90732, 113415, 151220, 173903, 181464, 226830, 302440, 347806, 453660, 521709, 695612, 869515, 907320, 1043418, 1391224, 1739030, 2086836, 2608545, 3478060, 4173672, 5217090, 6956120, 10434180, 20868360]

約数ペア:

[(1, 20868360), (2, 10434180), (3, 6956120), (4, 5217090), (5, 4173672), (6, 3478060), (8, 2608545), (10, 2086836), (12, 1739030), (15, 1391224), (20, 1043418), (23, 907320), (24, 869515), (30, 695612), (40, 521709), (46, 453660), (60, 347806), (69, 302440), (92, 226830), (115, 181464), (120, 173903), (138, 151220), (184, 113415), (230, 90732), (276, 75610), (345, 60488), (460, 45366), (552, 37805), (690, 30244), (920, 22683), (1380, 15122), (2760, 7561)]