20019304

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{907}}^1$

素因数の和:1033

約数の個数: 32

約数和(自身を含む): 39225600

約数和(自身を除く): 19206296

約数列:

[1, 2, 4, 8, 31, 62, 89, 124, 178, 248, 356, 712, 907, 1814, 2759, 3628, 5518, 7256, 11036, 22072, 28117, 56234, 80723, 112468, 161446, 224936, 322892, 645784, 2502413, 5004826, 10009652, 20019304]

約数ペア:

[(1, 20019304), (2, 10009652), (4, 5004826), (8, 2502413), (31, 645784), (62, 322892), (89, 224936), (124, 161446), (178, 112468), (248, 80723), (356, 56234), (712, 28117), (907, 22072), (1814, 11036), (2759, 7256), (3628, 5518)]