20139830512

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40604497}}^1$

素因数の和:40604536

約数の個数: 20

約数和(自身を含む): 40279662016

約数和(自身を除く): 20139831504

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40604497, 81208994, 162417988, 324835976, 649671952, 1258739407, 2517478814, 5034957628, 10069915256, 20139830512]

約数ペア:

[(1, 20139830512), (2, 10069915256), (4, 5034957628), (8, 2517478814), (16, 1258739407), (31, 649671952), (62, 324835976), (124, 162417988), (248, 81208994), (496, 40604497)]