20888955932

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{30197}}^1$

素因数の和:30518

約数の個数: 48

約数和(自身を含む): 40271569632

約数和(自身を除く): 19382613700

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 251, 502, 689, 1004, 1378, 2756, 3263, 6526, 13052, 13303, 26606, 30197, 53212, 60394, 120788, 172939, 345878, 392561, 691756, 785122, 1570244, 1600441, 3200882, 6401764, 7579447, 15158894, 20805733, 30317788, 41611466, 83222932, 98532811, 197065622, 394131244, 401710691, 803421382, 1606842764, 5222238983, 10444477966, 20888955932]

約数ペア:

[(1, 20888955932), (2, 10444477966), (4, 5222238983), (13, 1606842764), (26, 803421382), (52, 401710691), (53, 394131244), (106, 197065622), (212, 98532811), (251, 83222932), (502, 41611466), (689, 30317788), (1004, 20805733), (1378, 15158894), (2756, 7579447), (3263, 6401764), (6526, 3200882), (13052, 1600441), (13303, 1570244), (26606, 785122), (30197, 691756), (53212, 392561), (60394, 345878), (120788, 172939)]