20634112

素因数分解:

$2^9\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:420

約数の個数: 40

約数和(自身を含む): 41640192

約数和(自身を除く): 21006080

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 191, 211, 256, 382, 422, 512, 764, 844, 1528, 1688, 3056, 3376, 6112, 6752, 12224, 13504, 24448, 27008, 40301, 48896, 54016, 80602, 97792, 108032, 161204, 322408, 644816, 1289632, 2579264, 5158528, 10317056, 20634112]

約数ペア:

[(1, 20634112), (2, 10317056), (4, 5158528), (8, 2579264), (16, 1289632), (32, 644816), (64, 322408), (128, 161204), (191, 108032), (211, 97792), (256, 80602), (382, 54016), (422, 48896), (512, 40301), (764, 27008), (844, 24448), (1528, 13504), (1688, 12224), (3056, 6752), (3376, 6112)]