20537552

素因数分解:

$2^4\times 7^1\times {\mathrm{233}}^1\times {\mathrm{787}}^1$

素因数の和:1035

約数の個数: 40

約数和(自身を含む): 45729216

約数和(自身を除く): 25191664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 233, 466, 787, 932, 1574, 1631, 1864, 3148, 3262, 3728, 5509, 6296, 6524, 11018, 12592, 13048, 22036, 26096, 44072, 88144, 183371, 366742, 733484, 1283597, 1466968, 2567194, 2933936, 5134388, 10268776, 20537552]

約数ペア:

[(1, 20537552), (2, 10268776), (4, 5134388), (7, 2933936), (8, 2567194), (14, 1466968), (16, 1283597), (28, 733484), (56, 366742), (112, 183371), (233, 88144), (466, 44072), (787, 26096), (932, 22036), (1574, 13048), (1631, 12592), (1864, 11018), (3148, 6524), (3262, 6296), (3728, 5509)]