20648024956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{673}}^1\times {\mathrm{3533}}^1$

素因数の和:4390

約数の個数: 48

約数和(自身を含む): 39215865024

約数和(自身を除く): 18567840068

約数列:

[1, 2, 4, 13, 26, 52, 167, 334, 668, 673, 1346, 2171, 2692, 3533, 4342, 7066, 8684, 8749, 14132, 17498, 34996, 45929, 91858, 112391, 183716, 224782, 449564, 590011, 1180022, 1461083, 2360044, 2377709, 2922166, 4755418, 5844332, 7670143, 9510836, 15340286, 30680572, 30910217, 61820434, 123640868, 397077403, 794154806, 1588309612, 5162006239, 10324012478, 20648024956]

約数ペア:

[(1, 20648024956), (2, 10324012478), (4, 5162006239), (13, 1588309612), (26, 794154806), (52, 397077403), (167, 123640868), (334, 61820434), (668, 30910217), (673, 30680572), (1346, 15340286), (2171, 9510836), (2692, 7670143), (3533, 5844332), (4342, 4755418), (7066, 2922166), (8684, 2377709), (8749, 2360044), (14132, 1461083), (17498, 1180022), (34996, 590011), (45929, 449564), (91858, 224782), (112391, 183716)]