20845944

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{811}}^1$

素因数の和:850

約数の個数: 128

約数和(自身を含む): 70156800

約数和(自身を除く): 49310856

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 27, 28, 34, 36, 42, 51, 54, 56, 63, 68, 72, 84, 102, 108, 119, 126, 136, 153, 168, 189, 204, 216, 238, 252, 306, 357, 378, 408, 459, 476, 504, 612, 714, 756, 811, 918, 952, 1071, 1224, 1428, 1512, 1622, 1836, 2142, 2433, 2856, 3213, 3244, 3672, 4284, 4866, 5677, 6426, 6488, 7299, 8568, 9732, 11354, 12852, 13787, 14598, 17031, 19464, 21897, 22708, 25704, 27574, 29196, 34062, 41361, 43794, 45416, 51093, 55148, 58392, 68124, 82722, 87588, 96509, 102186, 110296, 124083, 136248, 153279, 165444, 175176, 193018, 204372, 248166, 289527, 306558, 330888, 372249, 386036, 408744, 496332, 579054, 613116, 744498, 772072, 868581, 992664, 1158108, 1226232, 1488996, 1737162, 2316216, 2605743, 2977992, 3474324, 5211486, 6948648, 10422972, 20845944]

約数ペア:

[(1, 20845944), (2, 10422972), (3, 6948648), (4, 5211486), (6, 3474324), (7, 2977992), (8, 2605743), (9, 2316216), (12, 1737162), (14, 1488996), (17, 1226232), (18, 1158108), (21, 992664), (24, 868581), (27, 772072), (28, 744498), (34, 613116), (36, 579054), (42, 496332), (51, 408744), (54, 386036), (56, 372249), (63, 330888), (68, 306558), (72, 289527), (84, 248166), (102, 204372), (108, 193018), (119, 175176), (126, 165444), (136, 153279), (153, 136248), (168, 124083), (189, 110296), (204, 102186), (216, 96509), (238, 87588), (252, 82722), (306, 68124), (357, 58392), (378, 55148), (408, 51093), (459, 45416), (476, 43794), (504, 41361), (612, 34062), (714, 29196), (756, 27574), (811, 25704), (918, 22708), (952, 21897), (1071, 19464), (1224, 17031), (1428, 14598), (1512, 13787), (1622, 12852), (1836, 11354), (2142, 9732), (2433, 8568), (2856, 7299), (3213, 6488), (3244, 6426), (3672, 5677), (4284, 4866)]