20177700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{653}}^1$

素因数の和:773

約数の個数: 72

約数和(自身を含む): 59037888

約数和(自身を除く): 38860188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 103, 150, 206, 300, 309, 412, 515, 618, 653, 1030, 1236, 1306, 1545, 1959, 2060, 2575, 2612, 3090, 3265, 3918, 5150, 6180, 6530, 7725, 7836, 9795, 10300, 13060, 15450, 16325, 19590, 30900, 32650, 39180, 48975, 65300, 67259, 97950, 134518, 195900, 201777, 269036, 336295, 403554, 672590, 807108, 1008885, 1345180, 1681475, 2017770, 3362950, 4035540, 5044425, 6725900, 10088850, 20177700]

約数ペア:

[(1, 20177700), (2, 10088850), (3, 6725900), (4, 5044425), (5, 4035540), (6, 3362950), (10, 2017770), (12, 1681475), (15, 1345180), (20, 1008885), (25, 807108), (30, 672590), (50, 403554), (60, 336295), (75, 269036), (100, 201777), (103, 195900), (150, 134518), (206, 97950), (300, 67259), (309, 65300), (412, 48975), (515, 39180), (618, 32650), (653, 30900), (1030, 19590), (1236, 16325), (1306, 15450), (1545, 13060), (1959, 10300), (2060, 9795), (2575, 7836), (2612, 7725), (3090, 6530), (3265, 6180), (3918, 5150)]