20197780938

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{2617}}^1\times {\mathrm{22567}}^1$

素因数の和:25211

約数の個数: 48

約数和(自身を含む): 46084758720

約数和(自身を除く): 25886977782

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 2617, 5234, 7851, 15702, 22567, 23553, 45134, 47106, 49723, 67701, 99446, 135402, 149169, 203103, 298338, 406206, 428773, 447507, 857546, 895014, 1286319, 2572638, 3858957, 7717914, 59057839, 118115678, 177173517, 354347034, 531520551, 1063041102, 1122098941, 2244197882, 3366296823, 6732593646, 10098890469, 20197780938]

約数ペア:

[(1, 20197780938), (2, 10098890469), (3, 6732593646), (6, 3366296823), (9, 2244197882), (18, 1122098941), (19, 1063041102), (38, 531520551), (57, 354347034), (114, 177173517), (171, 118115678), (342, 59057839), (2617, 7717914), (5234, 3858957), (7851, 2572638), (15702, 1286319), (22567, 895014), (23553, 857546), (45134, 447507), (47106, 428773), (49723, 406206), (67701, 298338), (99446, 203103), (135402, 149169)]