20768304

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 56183904

約数和(自身を除く): 35415600

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 61, 82, 122, 123, 164, 173, 183, 244, 246, 328, 346, 366, 488, 492, 519, 656, 692, 732, 976, 984, 1038, 1384, 1464, 1968, 2076, 2501, 2768, 2928, 4152, 5002, 7093, 7503, 8304, 10004, 10553, 14186, 15006, 20008, 21106, 21279, 28372, 30012, 31659, 40016, 42212, 42558, 56744, 60024, 63318, 84424, 85116, 113488, 120048, 126636, 168848, 170232, 253272, 340464, 432673, 506544, 865346, 1298019, 1730692, 2596038, 3461384, 5192076, 6922768, 10384152, 20768304]

約数ペア:

[(1, 20768304), (2, 10384152), (3, 6922768), (4, 5192076), (6, 3461384), (8, 2596038), (12, 1730692), (16, 1298019), (24, 865346), (41, 506544), (48, 432673), (61, 340464), (82, 253272), (122, 170232), (123, 168848), (164, 126636), (173, 120048), (183, 113488), (244, 85116), (246, 84424), (328, 63318), (346, 60024), (366, 56744), (488, 42558), (492, 42212), (519, 40016), (656, 31659), (692, 30012), (732, 28372), (976, 21279), (984, 21106), (1038, 20008), (1384, 15006), (1464, 14186), (1968, 10553), (2076, 10004), (2501, 8304), (2768, 7503), (2928, 7093), (4152, 5002)]