20856304

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6007}}^1$

素因数の和:6053

約数の個数: 40

約数和(自身を含む): 47679488

約数和(自身を除く): 26823184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 6007, 12014, 24028, 42049, 48056, 84098, 96112, 168196, 186217, 336392, 372434, 672784, 744868, 1303519, 1489736, 2607038, 2979472, 5214076, 10428152, 20856304]

約数ペア:

[(1, 20856304), (2, 10428152), (4, 5214076), (7, 2979472), (8, 2607038), (14, 1489736), (16, 1303519), (28, 744868), (31, 672784), (56, 372434), (62, 336392), (112, 186217), (124, 168196), (217, 96112), (248, 84098), (434, 48056), (496, 42049), (868, 24028), (1736, 12014), (3472, 6007)]