20124724

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 40118400

約数和(自身を除く): 19993676

約数列:

[1, 2, 4, 19, 23, 29, 38, 46, 58, 76, 92, 116, 397, 437, 551, 667, 794, 874, 1102, 1334, 1588, 1748, 2204, 2668, 7543, 9131, 11513, 12673, 15086, 18262, 23026, 25346, 30172, 36524, 46052, 50692, 173489, 218747, 264799, 346978, 437494, 529598, 693956, 874988, 1059196, 5031181, 10062362, 20124724]

約数ペア:

[(1, 20124724), (2, 10062362), (4, 5031181), (19, 1059196), (23, 874988), (29, 693956), (38, 529598), (46, 437494), (58, 346978), (76, 264799), (92, 218747), (116, 173489), (397, 50692), (437, 46052), (551, 36524), (667, 30172), (794, 25346), (874, 23026), (1102, 18262), (1334, 15086), (1588, 12673), (1748, 11513), (2204, 9131), (2668, 7543)]