20587448

素因数分解:

$2^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1811}}^1$

素因数の和:1860

約数の個数: 48

約数和(自身を含む): 46477800

約数和(自身を除く): 25890352

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 49, 56, 58, 98, 116, 196, 203, 232, 392, 406, 812, 1421, 1624, 1811, 2842, 3622, 5684, 7244, 11368, 12677, 14488, 25354, 50708, 52519, 88739, 101416, 105038, 177478, 210076, 354956, 367633, 420152, 709912, 735266, 1470532, 2573431, 2941064, 5146862, 10293724, 20587448]

約数ペア:

[(1, 20587448), (2, 10293724), (4, 5146862), (7, 2941064), (8, 2573431), (14, 1470532), (28, 735266), (29, 709912), (49, 420152), (56, 367633), (58, 354956), (98, 210076), (116, 177478), (196, 105038), (203, 101416), (232, 88739), (392, 52519), (406, 50708), (812, 25354), (1421, 14488), (1624, 12677), (1811, 11368), (2842, 7244), (3622, 5684)]