20828328

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 54371520

約数和(自身を除く): 33543192

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 61, 82, 122, 123, 164, 183, 244, 246, 328, 347, 366, 488, 492, 694, 732, 984, 1041, 1388, 1464, 2082, 2501, 2776, 4164, 5002, 7503, 8328, 10004, 14227, 15006, 20008, 21167, 28454, 30012, 42334, 42681, 56908, 60024, 63501, 84668, 85362, 113816, 127002, 169336, 170724, 254004, 341448, 508008, 867847, 1735694, 2603541, 3471388, 5207082, 6942776, 10414164, 20828328]

約数ペア:

[(1, 20828328), (2, 10414164), (3, 6942776), (4, 5207082), (6, 3471388), (8, 2603541), (12, 1735694), (24, 867847), (41, 508008), (61, 341448), (82, 254004), (122, 170724), (123, 169336), (164, 127002), (183, 113816), (244, 85362), (246, 84668), (328, 63501), (347, 60024), (366, 56908), (488, 42681), (492, 42334), (694, 30012), (732, 28454), (984, 21167), (1041, 20008), (1388, 15006), (1464, 14227), (2082, 10004), (2501, 8328), (2776, 7503), (4164, 5002)]