20147139940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1\times {\mathrm{87119}}^1$

素因数の和:87532

約数の個数: 48

約数和(自身を含む): 43791390720

約数和(自身を除く): 23644250780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 373, 620, 746, 1492, 1865, 3730, 7460, 11563, 23126, 46252, 57815, 87119, 115630, 174238, 231260, 348476, 435595, 871190, 1742380, 2700689, 5401378, 10802756, 13503445, 27006890, 32495387, 54013780, 64990774, 129981548, 162476935, 324953870, 649907740, 1007356997, 2014713994, 4029427988, 5036784985, 10073569970, 20147139940]

約数ペア:

[(1, 20147139940), (2, 10073569970), (4, 5036784985), (5, 4029427988), (10, 2014713994), (20, 1007356997), (31, 649907740), (62, 324953870), (124, 162476935), (155, 129981548), (310, 64990774), (373, 54013780), (620, 32495387), (746, 27006890), (1492, 13503445), (1865, 10802756), (3730, 5401378), (7460, 2700689), (11563, 1742380), (23126, 871190), (46252, 435595), (57815, 348476), (87119, 231260), (115630, 174238)]