20199071072

素因数分解:

$2^5\times {\mathrm{15913}}^1\times {\mathrm{39667}}^1$

素因数の和:55590

約数の個数: 24

約数和(自身を含む): 39770422776

約数和(自身を除く): 19571351704

約数列:

[1, 2, 4, 8, 16, 32, 15913, 31826, 39667, 63652, 79334, 127304, 158668, 254608, 317336, 509216, 634672, 1269344, 631220971, 1262441942, 2524883884, 5049767768, 10099535536, 20199071072]

約数ペア:

[(1, 20199071072), (2, 10099535536), (4, 5049767768), (8, 2524883884), (16, 1262441942), (32, 631220971), (15913, 1269344), (31826, 634672), (39667, 509216), (63652, 317336), (79334, 254608), (127304, 158668)]