20504100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1667}}^1$

素因数の和:1725

約数の個数: 72

約数和(自身を含む): 60808608

約数和(自身を除く): 40304508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 41, 50, 60, 75, 82, 100, 123, 150, 164, 205, 246, 300, 410, 492, 615, 820, 1025, 1230, 1667, 2050, 2460, 3075, 3334, 4100, 5001, 6150, 6668, 8335, 10002, 12300, 16670, 20004, 25005, 33340, 41675, 50010, 68347, 83350, 100020, 125025, 136694, 166700, 205041, 250050, 273388, 341735, 410082, 500100, 683470, 820164, 1025205, 1366940, 1708675, 2050410, 3417350, 4100820, 5126025, 6834700, 10252050, 20504100]

約数ペア:

[(1, 20504100), (2, 10252050), (3, 6834700), (4, 5126025), (5, 4100820), (6, 3417350), (10, 2050410), (12, 1708675), (15, 1366940), (20, 1025205), (25, 820164), (30, 683470), (41, 500100), (50, 410082), (60, 341735), (75, 273388), (82, 250050), (100, 205041), (123, 166700), (150, 136694), (164, 125025), (205, 100020), (246, 83350), (300, 68347), (410, 50010), (492, 41675), (615, 33340), (820, 25005), (1025, 20004), (1230, 16670), (1667, 12300), (2050, 10002), (2460, 8335), (3075, 6668), (3334, 6150), (4100, 5001)]