20866248

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{2477}}^1$

素因数の和:2508

約数の個数: 80

約数和(自身を含む): 62965980

約数和(自身を除く): 42099732

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2477, 2808, 4212, 4954, 7431, 8424, 9908, 14862, 19816, 22293, 29724, 32201, 44586, 59448, 64402, 66879, 89172, 96603, 128804, 133758, 178344, 193206, 200637, 257608, 267516, 289809, 386412, 401274, 535032, 579618, 772824, 802548, 869427, 1159236, 1605096, 1738854, 2318472, 2608281, 3477708, 5216562, 6955416, 10433124, 20866248]

約数ペア:

[(1, 20866248), (2, 10433124), (3, 6955416), (4, 5216562), (6, 3477708), (8, 2608281), (9, 2318472), (12, 1738854), (13, 1605096), (18, 1159236), (24, 869427), (26, 802548), (27, 772824), (36, 579618), (39, 535032), (52, 401274), (54, 386412), (72, 289809), (78, 267516), (81, 257608), (104, 200637), (108, 193206), (117, 178344), (156, 133758), (162, 128804), (216, 96603), (234, 89172), (312, 66879), (324, 64402), (351, 59448), (468, 44586), (648, 32201), (702, 29724), (936, 22293), (1053, 19816), (1404, 14862), (2106, 9908), (2477, 8424), (2808, 7431), (4212, 4954)]