20020512195

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{79319}}^1$

素因数の和:79480

約数の個数: 48

約数和(自身を含む): 35636889600

約数和(自身を除く): 15616377405

約数列:

[1, 3, 5, 9, 15, 45, 71, 79, 213, 237, 355, 395, 639, 711, 1065, 1185, 3195, 3555, 5609, 16827, 28045, 50481, 79319, 84135, 237957, 252405, 396595, 713871, 1189785, 3569355, 5631649, 6266201, 16894947, 18798603, 28158245, 31331005, 50684841, 56395809, 84474735, 93993015, 253424205, 281979045, 444900271, 1334700813, 2224501355, 4004102439, 6673504065, 20020512195]

約数ペア:

[(1, 20020512195), (3, 6673504065), (5, 4004102439), (9, 2224501355), (15, 1334700813), (45, 444900271), (71, 281979045), (79, 253424205), (213, 93993015), (237, 84474735), (355, 56395809), (395, 50684841), (639, 31331005), (711, 28158245), (1065, 18798603), (1185, 16894947), (3195, 6266201), (3555, 5631649), (5609, 3569355), (16827, 1189785), (28045, 713871), (50481, 396595), (79319, 252405), (84135, 237957)]