20101785328

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{523}}^1\times {\mathrm{77491}}^1$

素因数の和:78053

約数の個数: 40

約数和(自身を含む): 40280961536

約数和(自身を除く): 20179176208

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 523, 1046, 2092, 4184, 8368, 16213, 32426, 64852, 77491, 129704, 154982, 259408, 309964, 619928, 1239856, 2402221, 4804442, 9608884, 19217768, 38435536, 40527793, 81055586, 162111172, 324222344, 648444688, 1256361583, 2512723166, 5025446332, 10050892664, 20101785328]

約数ペア:

[(1, 20101785328), (2, 10050892664), (4, 5025446332), (8, 2512723166), (16, 1256361583), (31, 648444688), (62, 324222344), (124, 162111172), (248, 81055586), (496, 40527793), (523, 38435536), (1046, 19217768), (2092, 9608884), (4184, 4804442), (8368, 2402221), (16213, 1239856), (32426, 619928), (64852, 309964), (77491, 259408), (129704, 154982)]