20646248

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1699}}^1$

素因数の和:1750

約数の個数: 48

約数和(自身を含む): 46512000

約数和(自身を除く): 25865752

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 392, 434, 868, 1519, 1699, 1736, 3038, 3398, 6076, 6796, 11893, 12152, 13592, 23786, 47572, 52669, 83251, 95144, 105338, 166502, 210676, 333004, 368683, 421352, 666008, 737366, 1474732, 2580781, 2949464, 5161562, 10323124, 20646248]

約数ペア:

[(1, 20646248), (2, 10323124), (4, 5161562), (7, 2949464), (8, 2580781), (14, 1474732), (28, 737366), (31, 666008), (49, 421352), (56, 368683), (62, 333004), (98, 210676), (124, 166502), (196, 105338), (217, 95144), (248, 83251), (392, 52669), (434, 47572), (868, 23786), (1519, 13592), (1699, 12152), (1736, 11893), (3038, 6796), (3398, 6076)]