19702140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8009}}^1$

素因数の和:8062

約数の個数: 48

約数和(自身を含む): 56518560

約数和(自身を除く): 36816420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8009, 16018, 24027, 32036, 40045, 48054, 80090, 96108, 120135, 160180, 240270, 328369, 480540, 656738, 985107, 1313476, 1641845, 1970214, 3283690, 3940428, 4925535, 6567380, 9851070, 19702140]

約数ペア:

[(1, 19702140), (2, 9851070), (3, 6567380), (4, 4925535), (5, 3940428), (6, 3283690), (10, 1970214), (12, 1641845), (15, 1313476), (20, 985107), (30, 656738), (41, 480540), (60, 328369), (82, 240270), (123, 160180), (164, 120135), (205, 96108), (246, 80090), (410, 48054), (492, 40045), (615, 32036), (820, 24027), (1230, 16018), (2460, 8009)]