20328456

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 52960320

約数和(自身を除く): 32631864

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 73, 82, 123, 146, 164, 219, 246, 283, 292, 328, 438, 492, 566, 584, 849, 876, 984, 1132, 1698, 1752, 2264, 2993, 3396, 5986, 6792, 8979, 11603, 11972, 17958, 20659, 23206, 23944, 34809, 35916, 41318, 46412, 61977, 69618, 71832, 82636, 92824, 123954, 139236, 165272, 247908, 278472, 495816, 847019, 1694038, 2541057, 3388076, 5082114, 6776152, 10164228, 20328456]

約数ペア:

[(1, 20328456), (2, 10164228), (3, 6776152), (4, 5082114), (6, 3388076), (8, 2541057), (12, 1694038), (24, 847019), (41, 495816), (73, 278472), (82, 247908), (123, 165272), (146, 139236), (164, 123954), (219, 92824), (246, 82636), (283, 71832), (292, 69618), (328, 61977), (438, 46412), (492, 41318), (566, 35916), (584, 34809), (849, 23944), (876, 23206), (984, 20659), (1132, 17958), (1698, 11972), (1752, 11603), (2264, 8979), (2993, 6792), (3396, 5986)]