20768496

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{547}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 61972224

約数和(自身を除く): 41203728

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 113, 168, 226, 336, 339, 452, 547, 678, 791, 904, 1094, 1356, 1582, 1641, 1808, 2188, 2373, 2712, 3164, 3282, 3829, 4376, 4746, 5424, 6328, 6564, 7658, 8752, 9492, 11487, 12656, 13128, 15316, 18984, 22974, 26256, 30632, 37968, 45948, 61264, 61811, 91896, 123622, 183792, 185433, 247244, 370866, 432677, 494488, 741732, 865354, 988976, 1298031, 1483464, 1730708, 2596062, 2966928, 3461416, 5192124, 6922832, 10384248, 20768496]

約数ペア:

[(1, 20768496), (2, 10384248), (3, 6922832), (4, 5192124), (6, 3461416), (7, 2966928), (8, 2596062), (12, 1730708), (14, 1483464), (16, 1298031), (21, 988976), (24, 865354), (28, 741732), (42, 494488), (48, 432677), (56, 370866), (84, 247244), (112, 185433), (113, 183792), (168, 123622), (226, 91896), (336, 61811), (339, 61264), (452, 45948), (547, 37968), (678, 30632), (791, 26256), (904, 22974), (1094, 18984), (1356, 15316), (1582, 13128), (1641, 12656), (1808, 11487), (2188, 9492), (2373, 8752), (2712, 7658), (3164, 6564), (3282, 6328), (3829, 5424), (4376, 4746)]