20187720304

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40701049}}^1$

素因数の和:40701088

約数の個数: 20

約数和(自身を含む): 40375441600

約数和(自身を除く): 20187721296

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40701049, 81402098, 162804196, 325608392, 651216784, 1261732519, 2523465038, 5046930076, 10093860152, 20187720304]

約数ペア:

[(1, 20187720304), (2, 10093860152), (4, 5046930076), (8, 2523465038), (16, 1261732519), (31, 651216784), (62, 325608392), (124, 162804196), (248, 81402098), (496, 40701049)]