20318298

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:252

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 37742502

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 17, 21, 22, 26, 33, 34, 39, 42, 51, 66, 77, 78, 91, 102, 119, 143, 154, 182, 187, 199, 221, 231, 238, 273, 286, 357, 374, 398, 429, 442, 462, 546, 561, 597, 663, 714, 858, 1001, 1122, 1194, 1309, 1326, 1393, 1547, 2002, 2189, 2431, 2587, 2618, 2786, 3003, 3094, 3383, 3927, 4179, 4378, 4641, 4862, 5174, 6006, 6567, 6766, 7293, 7761, 7854, 8358, 9282, 10149, 13134, 14586, 15323, 15522, 17017, 18109, 20298, 23681, 28457, 30646, 34034, 36218, 37213, 43979, 45969, 47362, 51051, 54327, 56914, 71043, 74426, 85371, 87958, 91938, 102102, 108654, 111639, 131937, 142086, 170742, 199199, 223278, 260491, 263874, 307853, 398398, 483769, 520982, 597597, 615706, 781473, 923559, 967538, 1195194, 1451307, 1562946, 1847118, 2902614, 3386383, 6772766, 10159149, 20318298]

約数ペア:

[(1, 20318298), (2, 10159149), (3, 6772766), (6, 3386383), (7, 2902614), (11, 1847118), (13, 1562946), (14, 1451307), (17, 1195194), (21, 967538), (22, 923559), (26, 781473), (33, 615706), (34, 597597), (39, 520982), (42, 483769), (51, 398398), (66, 307853), (77, 263874), (78, 260491), (91, 223278), (102, 199199), (119, 170742), (143, 142086), (154, 131937), (182, 111639), (187, 108654), (199, 102102), (221, 91938), (231, 87958), (238, 85371), (273, 74426), (286, 71043), (357, 56914), (374, 54327), (398, 51051), (429, 47362), (442, 45969), (462, 43979), (546, 37213), (561, 36218), (597, 34034), (663, 30646), (714, 28457), (858, 23681), (1001, 20298), (1122, 18109), (1194, 17017), (1309, 15522), (1326, 15323), (1393, 14586), (1547, 13134), (2002, 10149), (2189, 9282), (2431, 8358), (2587, 7854), (2618, 7761), (2786, 7293), (3003, 6766), (3094, 6567), (3383, 6006), (3927, 5174), (4179, 4862), (4378, 4641)]