20761350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2269}}^1$

素因数の和:2345

約数の個数: 48

約数和(自身を含む): 52355280

約数和(自身を除く): 31593930

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 61, 75, 122, 150, 183, 305, 366, 610, 915, 1525, 1830, 2269, 3050, 4538, 4575, 6807, 9150, 11345, 13614, 22690, 34035, 56725, 68070, 113450, 138409, 170175, 276818, 340350, 415227, 692045, 830454, 1384090, 2076135, 3460225, 4152270, 6920450, 10380675, 20761350]

約数ペア:

[(1, 20761350), (2, 10380675), (3, 6920450), (5, 4152270), (6, 3460225), (10, 2076135), (15, 1384090), (25, 830454), (30, 692045), (50, 415227), (61, 340350), (75, 276818), (122, 170175), (150, 138409), (183, 113450), (305, 68070), (366, 56725), (610, 34035), (915, 22690), (1525, 13614), (1830, 11345), (2269, 9150), (3050, 6807), (4538, 4575)]