20104691996

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{967}}^1\times {\mathrm{3853}}^1$

素因数の和:4914

約数の個数: 48

約数和(自身を含む): 37605173760

約数和(自身を除く): 17500481764

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 967, 1349, 1934, 2698, 3853, 3868, 5396, 7706, 15412, 18373, 36746, 68657, 73207, 73492, 137314, 146414, 273563, 274628, 292828, 547126, 1094252, 1304483, 2608966, 3725851, 5197697, 5217932, 7451702, 10395394, 14903404, 20790788, 70791169, 141582338, 264535421, 283164676, 529070842, 1058141684, 5026172999, 10052345998, 20104691996]

約数ペア:

[(1, 20104691996), (2, 10052345998), (4, 5026172999), (19, 1058141684), (38, 529070842), (71, 283164676), (76, 264535421), (142, 141582338), (284, 70791169), (967, 20790788), (1349, 14903404), (1934, 10395394), (2698, 7451702), (3853, 5217932), (3868, 5197697), (5396, 3725851), (7706, 2608966), (15412, 1304483), (18373, 1094252), (36746, 547126), (68657, 292828), (73207, 274628), (73492, 273563), (137314, 146414)]