20747616

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{12713}}^1$

素因数の和:12743

約数の個数: 48

約数和(自身を含む): 57670704

約数和(自身を除く): 36923088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632, 12713, 25426, 38139, 50852, 76278, 101704, 152556, 203408, 216121, 305112, 406816, 432242, 610224, 648363, 864484, 1220448, 1296726, 1728968, 2593452, 3457936, 5186904, 6915872, 10373808, 20747616]

約数ペア:

[(1, 20747616), (2, 10373808), (3, 6915872), (4, 5186904), (6, 3457936), (8, 2593452), (12, 1728968), (16, 1296726), (17, 1220448), (24, 864484), (32, 648363), (34, 610224), (48, 432242), (51, 406816), (68, 305112), (96, 216121), (102, 203408), (136, 152556), (204, 101704), (272, 76278), (408, 50852), (544, 38139), (816, 25426), (1632, 12713)]