20926790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1327}}^1$

素因数の和:1436

約数の個数: 32

約数和(自身を含む): 40158720

約数和(自身を除く): 19231930

約数列:

[1, 2, 5, 10, 19, 38, 83, 95, 166, 190, 415, 830, 1327, 1577, 2654, 3154, 6635, 7885, 13270, 15770, 25213, 50426, 110141, 126065, 220282, 252130, 550705, 1101410, 2092679, 4185358, 10463395, 20926790]

約数ペア:

[(1, 20926790), (2, 10463395), (5, 4185358), (10, 2092679), (19, 1101410), (38, 550705), (83, 252130), (95, 220282), (166, 126065), (190, 110141), (415, 50426), (830, 25213), (1327, 15770), (1577, 13270), (2654, 7885), (3154, 6635)]