20776652

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1237}}^1$

素因数の和:1290

約数の個数: 48

約数和(自身を含む): 43676640

約数和(自身を除く): 22899988

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 221, 247, 323, 442, 494, 646, 884, 988, 1237, 1292, 2474, 4199, 4948, 8398, 16081, 16796, 21029, 23503, 32162, 42058, 47006, 64324, 84116, 94012, 273377, 305539, 399551, 546754, 611078, 799102, 1093508, 1222156, 1598204, 5194163, 10388326, 20776652]

約数ペア:

[(1, 20776652), (2, 10388326), (4, 5194163), (13, 1598204), (17, 1222156), (19, 1093508), (26, 799102), (34, 611078), (38, 546754), (52, 399551), (68, 305539), (76, 273377), (221, 94012), (247, 84116), (323, 64324), (442, 47006), (494, 42058), (646, 32162), (884, 23503), (988, 21029), (1237, 16796), (1292, 16081), (2474, 8398), (4199, 4948)]