20512166525

素因数分解:

$5^2\times {\mathrm{47}}^2\times {\mathrm{61}}^1\times {\mathrm{6089}}^1$

素因数の和:6254

約数の個数: 36

約数和(自身を含む): 26418139860

約数和(自身を除く): 5905973335

約数列:

[1, 5, 25, 47, 61, 235, 305, 1175, 1525, 2209, 2867, 6089, 11045, 14335, 30445, 55225, 71675, 134749, 152225, 286183, 371429, 673745, 1430915, 1857145, 3368725, 7154575, 9285725, 13450601, 17457163, 67253005, 87285815, 336265025, 436429075, 820486661, 4102433305, 20512166525]

約数ペア:

[(1, 20512166525), (5, 4102433305), (25, 820486661), (47, 436429075), (61, 336265025), (235, 87285815), (305, 67253005), (1175, 17457163), (1525, 13450601), (2209, 9285725), (2867, 7154575), (6089, 3368725), (11045, 1857145), (14335, 1430915), (30445, 673745), (55225, 371429), (71675, 286183), (134749, 152225)]