20859748

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3371}}^1$

素因数の和:3412

約数の個数: 48

約数和(自身を含む): 47585664

約数和(自身を除く): 26725916

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 221, 238, 364, 442, 476, 884, 1547, 3094, 3371, 6188, 6742, 13484, 23597, 43823, 47194, 57307, 87646, 94388, 114614, 175292, 229228, 306761, 401149, 613522, 744991, 802298, 1227044, 1489982, 1604596, 2979964, 5214937, 10429874, 20859748]

約数ペア:

[(1, 20859748), (2, 10429874), (4, 5214937), (7, 2979964), (13, 1604596), (14, 1489982), (17, 1227044), (26, 802298), (28, 744991), (34, 613522), (52, 401149), (68, 306761), (91, 229228), (119, 175292), (182, 114614), (221, 94388), (238, 87646), (364, 57307), (442, 47194), (476, 43823), (884, 23597), (1547, 13484), (3094, 6742), (3371, 6188)]