20262540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{14683}}^1$

素因数の和:14718

約数の個数: 48

約数和(自身を含む): 59205888

約数和(自身を除く): 38943348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 14683, 29366, 44049, 58732, 73415, 88098, 146830, 176196, 220245, 293660, 337709, 440490, 675418, 880980, 1013127, 1350836, 1688545, 2026254, 3377090, 4052508, 5065635, 6754180, 10131270, 20262540]

約数ペア:

[(1, 20262540), (2, 10131270), (3, 6754180), (4, 5065635), (5, 4052508), (6, 3377090), (10, 2026254), (12, 1688545), (15, 1350836), (20, 1013127), (23, 880980), (30, 675418), (46, 440490), (60, 337709), (69, 293660), (92, 220245), (115, 176196), (138, 146830), (230, 88098), (276, 73415), (345, 58732), (460, 44049), (690, 29366), (1380, 14683)]