20178070068

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{6977}}^1\times {\mathrm{18539}}^1$

素因数の和:25536

約数の個数: 48

約数和(自身を含む): 50713871040

約数和(自身を除く): 30535800972

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 6977, 13954, 18539, 20931, 27908, 37078, 41862, 55617, 74156, 83724, 90701, 111234, 181402, 222468, 241007, 272103, 362804, 482014, 544206, 723021, 964028, 1088412, 1446042, 2892084, 129346603, 258693206, 388039809, 517386412, 776079618, 1552159236, 1681505839, 3363011678, 5044517517, 6726023356, 10089035034, 20178070068]

約数ペア:

[(1, 20178070068), (2, 10089035034), (3, 6726023356), (4, 5044517517), (6, 3363011678), (12, 1681505839), (13, 1552159236), (26, 776079618), (39, 517386412), (52, 388039809), (78, 258693206), (156, 129346603), (6977, 2892084), (13954, 1446042), (18539, 1088412), (20931, 964028), (27908, 723021), (37078, 544206), (41862, 482014), (55617, 362804), (74156, 272103), (83724, 241007), (90701, 222468), (111234, 181402)]