20090316

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{877}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 49561344

約数和(自身を除く): 29471028

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 83, 92, 138, 166, 249, 276, 332, 498, 877, 996, 1754, 1909, 2631, 3508, 3818, 5262, 5727, 7636, 10524, 11454, 20171, 22908, 40342, 60513, 72791, 80684, 121026, 145582, 218373, 242052, 291164, 436746, 873492, 1674193, 3348386, 5022579, 6696772, 10045158, 20090316]

約数ペア:

[(1, 20090316), (2, 10045158), (3, 6696772), (4, 5022579), (6, 3348386), (12, 1674193), (23, 873492), (46, 436746), (69, 291164), (83, 242052), (92, 218373), (138, 145582), (166, 121026), (249, 80684), (276, 72791), (332, 60513), (498, 40342), (877, 22908), (996, 20171), (1754, 11454), (1909, 10524), (2631, 7636), (3508, 5727), (3818, 5262)]