20864632545

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{294013}}^1$

素因数の和:294126

約数の個数: 48

約数和(自身を含む): 38527594560

約数和(自身を除く): 17662962015

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 83, 95, 171, 249, 285, 415, 747, 855, 1245, 1577, 3735, 4731, 7885, 14193, 23655, 70965, 294013, 882039, 1470065, 2646117, 4410195, 5586247, 13230585, 16758741, 24403079, 27931235, 50276223, 73209237, 83793705, 122015395, 219627711, 251381115, 366046185, 463658501, 1098138555, 1390975503, 2318292505, 4172926509, 6954877515, 20864632545]

約数ペア:

[(1, 20864632545), (3, 6954877515), (5, 4172926509), (9, 2318292505), (15, 1390975503), (19, 1098138555), (45, 463658501), (57, 366046185), (83, 251381115), (95, 219627711), (171, 122015395), (249, 83793705), (285, 73209237), (415, 50276223), (747, 27931235), (855, 24403079), (1245, 16758741), (1577, 13230585), (3735, 5586247), (4731, 4410195), (7885, 2646117), (14193, 1470065), (23655, 882039), (70965, 294013)]