20208438

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1597}}^1$

素因数の和:1661

約数の個数: 48

約数和(自身を含む): 47364720

約数和(自身を除く): 27156282

約数列:

[1, 2, 3, 6, 9, 18, 19, 37, 38, 57, 74, 111, 114, 171, 222, 333, 342, 666, 703, 1406, 1597, 2109, 3194, 4218, 4791, 6327, 9582, 12654, 14373, 28746, 30343, 59089, 60686, 91029, 118178, 177267, 182058, 273087, 354534, 531801, 546174, 1063602, 1122691, 2245382, 3368073, 6736146, 10104219, 20208438]

約数ペア:

[(1, 20208438), (2, 10104219), (3, 6736146), (6, 3368073), (9, 2245382), (18, 1122691), (19, 1063602), (37, 546174), (38, 531801), (57, 354534), (74, 273087), (111, 182058), (114, 177267), (171, 118178), (222, 91029), (333, 60686), (342, 59089), (666, 30343), (703, 28746), (1406, 14373), (1597, 12654), (2109, 9582), (3194, 6327), (4218, 4791)]