20199705638

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18617}}^1\times {\mathrm{4079}}^1$

素因数の和:22724

約数の個数: 32

約数和(自身を含む): 36461491200

約数和(自身を除く): 16261785562

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 4079, 8158, 18617, 28553, 37234, 57106, 77501, 130319, 155002, 260638, 353723, 542507, 707446, 1085014, 2476061, 4952122, 75938743, 151877486, 531571201, 1063142402, 1442836117, 2885672234, 10099852819, 20199705638]

約数ペア:

[(1, 20199705638), (2, 10099852819), (7, 2885672234), (14, 1442836117), (19, 1063142402), (38, 531571201), (133, 151877486), (266, 75938743), (4079, 4952122), (8158, 2476061), (18617, 1085014), (28553, 707446), (37234, 542507), (57106, 353723), (77501, 260638), (130319, 155002)]