20745746

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1301}}^1$

素因数の和:1394

約数の個数: 32

約数和(自身を含む): 38247552

約数和(自身を除く): 17501806

約数列:

[1, 2, 7, 14, 17, 34, 67, 119, 134, 238, 469, 938, 1139, 1301, 2278, 2602, 7973, 9107, 15946, 18214, 22117, 44234, 87167, 154819, 174334, 309638, 610169, 1220338, 1481839, 2963678, 10372873, 20745746]

約数ペア:

[(1, 20745746), (2, 10372873), (7, 2963678), (14, 1481839), (17, 1220338), (34, 610169), (67, 309638), (119, 174334), (134, 154819), (238, 87167), (469, 44234), (938, 22117), (1139, 18214), (1301, 15946), (2278, 9107), (2602, 7973)]