20123970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{23131}}^1$

素因数の和:23170

約数の個数: 32

約数和(自身を含む): 49965120

約数和(自身を除く): 29841150

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 23131, 46262, 69393, 115655, 138786, 231310, 346965, 670799, 693930, 1341598, 2012397, 3353995, 4024794, 6707990, 10061985, 20123970]

約数ペア:

[(1, 20123970), (2, 10061985), (3, 6707990), (5, 4024794), (6, 3353995), (10, 2012397), (15, 1341598), (29, 693930), (30, 670799), (58, 346965), (87, 231310), (145, 138786), (174, 115655), (290, 69393), (435, 46262), (870, 23131)]