20138964

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1259}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 49674240

約数和(自身を除く): 29535276

約数列:

[1, 2, 3, 4, 6, 12, 31, 43, 62, 86, 93, 124, 129, 172, 186, 258, 372, 516, 1259, 1333, 2518, 2666, 3777, 3999, 5036, 5332, 7554, 7998, 15108, 15996, 39029, 54137, 78058, 108274, 117087, 156116, 162411, 216548, 234174, 324822, 468348, 649644, 1678247, 3356494, 5034741, 6712988, 10069482, 20138964]

約数ペア:

[(1, 20138964), (2, 10069482), (3, 6712988), (4, 5034741), (6, 3356494), (12, 1678247), (31, 649644), (43, 468348), (62, 324822), (86, 234174), (93, 216548), (124, 162411), (129, 156116), (172, 117087), (186, 108274), (258, 78058), (372, 54137), (516, 39029), (1259, 15996), (1333, 15108), (2518, 7998), (2666, 7554), (3777, 5332), (3999, 5036)]