20631330236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1019}}^1\times {\mathrm{6481}}^1$

素因数の和:7586

約数の個数: 48

約数和(自身を含む): 39987198720

約数和(自身を除く): 19355868484

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1019, 1562, 2038, 3124, 4076, 6481, 11209, 12962, 22418, 25924, 44836, 71291, 72349, 142582, 144698, 285164, 289396, 460151, 795839, 920302, 1591678, 1840604, 3183356, 5061661, 6604139, 10123322, 13208278, 20246644, 26416556, 72645529, 145291058, 290582116, 468893869, 937787738, 1875575476, 5157832559, 10315665118, 20631330236]

約数ペア:

[(1, 20631330236), (2, 10315665118), (4, 5157832559), (11, 1875575476), (22, 937787738), (44, 468893869), (71, 290582116), (142, 145291058), (284, 72645529), (781, 26416556), (1019, 20246644), (1562, 13208278), (2038, 10123322), (3124, 6604139), (4076, 5061661), (6481, 3183356), (11209, 1840604), (12962, 1591678), (22418, 920302), (25924, 795839), (44836, 460151), (71291, 289396), (72349, 285164), (142582, 144698)]