20994324

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2281}}^1$

素因数の和:2360

約数の個数: 48

約数和(自身を含む): 53672640

約数和(自身を除く): 32678316

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 59, 78, 118, 156, 177, 236, 354, 708, 767, 1534, 2281, 2301, 3068, 4562, 4602, 6843, 9124, 9204, 13686, 27372, 29653, 59306, 88959, 118612, 134579, 177918, 269158, 355836, 403737, 538316, 807474, 1614948, 1749527, 3499054, 5248581, 6998108, 10497162, 20994324]

約数ペア:

[(1, 20994324), (2, 10497162), (3, 6998108), (4, 5248581), (6, 3499054), (12, 1749527), (13, 1614948), (26, 807474), (39, 538316), (52, 403737), (59, 355836), (78, 269158), (118, 177918), (156, 134579), (177, 118612), (236, 88959), (354, 59306), (708, 29653), (767, 27372), (1534, 13686), (2281, 9204), (2301, 9124), (3068, 6843), (4562, 4602)]