20340160

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3739}}^1$

素因数の和:3773

約数の個数: 56

約数和(自身を含む): 51297840

約数和(自身を除く): 30957680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 3739, 5440, 7478, 14956, 18695, 29912, 37390, 59824, 63563, 74780, 119648, 127126, 149560, 239296, 254252, 299120, 317815, 508504, 598240, 635630, 1017008, 1196480, 1271260, 2034016, 2542520, 4068032, 5085040, 10170080, 20340160]

約数ペア:

[(1, 20340160), (2, 10170080), (4, 5085040), (5, 4068032), (8, 2542520), (10, 2034016), (16, 1271260), (17, 1196480), (20, 1017008), (32, 635630), (34, 598240), (40, 508504), (64, 317815), (68, 299120), (80, 254252), (85, 239296), (136, 149560), (160, 127126), (170, 119648), (272, 74780), (320, 63563), (340, 59824), (544, 37390), (680, 29912), (1088, 18695), (1360, 14956), (2720, 7478), (3739, 5440)]