20040381616

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{1039}}^1\times {\mathrm{16979}}^1$

素因数の和:18097

約数の個数: 40

約数和(自身を含む): 39415334400

約数和(自身を除く): 19374952784

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1039, 1136, 2078, 4156, 8312, 16624, 16979, 33958, 67916, 73769, 135832, 147538, 271664, 295076, 590152, 1180304, 1205509, 2411018, 4822036, 9644072, 17641181, 19288144, 35282362, 70564724, 141129448, 282258896, 1252523851, 2505047702, 5010095404, 10020190808, 20040381616]

約数ペア:

[(1, 20040381616), (2, 10020190808), (4, 5010095404), (8, 2505047702), (16, 1252523851), (71, 282258896), (142, 141129448), (284, 70564724), (568, 35282362), (1039, 19288144), (1136, 17641181), (2078, 9644072), (4156, 4822036), (8312, 2411018), (16624, 1205509), (16979, 1180304), (33958, 590152), (67916, 295076), (73769, 271664), (135832, 147538)]