20126950

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{6599}}^1$

素因数の和:6672

約数の個数: 24

約数和(自身を含む): 38055600

約数和(自身を除く): 17928650

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 305, 610, 1525, 3050, 6599, 13198, 32995, 65990, 164975, 329950, 402539, 805078, 2012695, 4025390, 10063475, 20126950]

約数ペア:

[(1, 20126950), (2, 10063475), (5, 4025390), (10, 2012695), (25, 805078), (50, 402539), (61, 329950), (122, 164975), (305, 65990), (610, 32995), (1525, 13198), (3050, 6599)]