20158146148

素因数分解:

$2^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1889}}^1\times {\mathrm{2203}}^1$

素因数の和:4276

約数の個数: 48

約数和(自身を含む): 40589216640

約数和(自身を除く): 20431070492

約数列:

[1, 2, 4, 7, 14, 28, 173, 346, 692, 1211, 1889, 2203, 2422, 3778, 4406, 4844, 7556, 8812, 13223, 15421, 26446, 30842, 52892, 61684, 326797, 381119, 653594, 762238, 1307188, 1524476, 2287579, 2667833, 4161467, 4575158, 5335666, 8322934, 9150316, 10671332, 16645868, 29130269, 58260538, 116521076, 719933791, 1439867582, 2879735164, 5039536537, 10079073074, 20158146148]

約数ペア:

[(1, 20158146148), (2, 10079073074), (4, 5039536537), (7, 2879735164), (14, 1439867582), (28, 719933791), (173, 116521076), (346, 58260538), (692, 29130269), (1211, 16645868), (1889, 10671332), (2203, 9150316), (2422, 8322934), (3778, 5335666), (4406, 4575158), (4844, 4161467), (7556, 2667833), (8812, 2287579), (13223, 1524476), (15421, 1307188), (26446, 762238), (30842, 653594), (52892, 381119), (61684, 326797)]