20947344

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:528

約数の個数: 80

約数和(自身を含む): 59787840

約数和(自身を除く): 38840496

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 97, 132, 176, 194, 264, 291, 388, 409, 528, 582, 776, 818, 1067, 1164, 1227, 1552, 1636, 2134, 2328, 2454, 3201, 3272, 4268, 4499, 4656, 4908, 6402, 6544, 8536, 8998, 9816, 12804, 13497, 17072, 17996, 19632, 25608, 26994, 35992, 39673, 51216, 53988, 71984, 79346, 107976, 119019, 158692, 215952, 238038, 317384, 436403, 476076, 634768, 872806, 952152, 1309209, 1745612, 1904304, 2618418, 3491224, 5236836, 6982448, 10473672, 20947344]

約数ペア:

[(1, 20947344), (2, 10473672), (3, 6982448), (4, 5236836), (6, 3491224), (8, 2618418), (11, 1904304), (12, 1745612), (16, 1309209), (22, 952152), (24, 872806), (33, 634768), (44, 476076), (48, 436403), (66, 317384), (88, 238038), (97, 215952), (132, 158692), (176, 119019), (194, 107976), (264, 79346), (291, 71984), (388, 53988), (409, 51216), (528, 39673), (582, 35992), (776, 26994), (818, 25608), (1067, 19632), (1164, 17996), (1227, 17072), (1552, 13497), (1636, 12804), (2134, 9816), (2328, 8998), (2454, 8536), (3201, 6544), (3272, 6402), (4268, 4908), (4499, 4656)]