20516916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7879}}^1$

素因数の和:7924

約数の個数: 48

約数和(自身を含む): 56483840

約数和(自身を除く): 35966924

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 124, 186, 217, 372, 434, 651, 868, 1302, 2604, 7879, 15758, 23637, 31516, 47274, 55153, 94548, 110306, 165459, 220612, 244249, 330918, 488498, 661836, 732747, 976996, 1465494, 1709743, 2930988, 3419486, 5129229, 6838972, 10258458, 20516916]

約数ペア:

[(1, 20516916), (2, 10258458), (3, 6838972), (4, 5129229), (6, 3419486), (7, 2930988), (12, 1709743), (14, 1465494), (21, 976996), (28, 732747), (31, 661836), (42, 488498), (62, 330918), (84, 244249), (93, 220612), (124, 165459), (186, 110306), (217, 94548), (372, 55153), (434, 47274), (651, 31516), (868, 23637), (1302, 15758), (2604, 7879)]